21049367031

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^3\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 40195584000

約数和(自身を除く): 19146216969

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 49, 63, 77, 99, 109, 121, 141, 147, 231, 327, 329, 343, 363, 423, 441, 517, 539, 693, 763, 847, 981, 987, 1029, 1089, 1199, 1331, 1551, 1617, 2289, 2303, 2541, 2961, 3087, 3597, 3619, 3773, 3993, 4653, 4851, 5123, 5341, 5687, 5929, 6867, 6909, 7623, 8393, 9317, 10791, 10857, 11319, 11979, 13189, 15369, 16023, 16121, 17061, 17787, 20727, 25179, 25333, 27951, 32571, 33957, 35861, 37387, 39567, 39809, 41503, 46107, 48069, 48363, 51183, 53361, 56353, 58751, 62557, 65219, 75537, 75999, 83853, 92323, 107583, 112161, 118701, 119427, 124509, 145079, 145089, 169059, 176253, 177331, 187671, 195657, 227997, 251027, 276969, 278663, 322749, 336483, 358281, 373527, 394471, 411257, 435237, 437899, 456533, 507177, 528759, 531993, 563013, 586971, 619883, 646261, 753081, 830907, 835989, 1015553, 1183413, 1233771, 1305711, 1313697, 1369599, 1595979, 1757189, 1859649, 1938783, 1950641, 2259243, 2507967, 2761297, 3046659, 3065293, 3550239, 3701313, 3941091, 4108797, 4339181, 4523827, 5271567, 5578947, 5816349, 5851923, 6818713, 7108871, 8283891, 9139977, 9195879, 13017543, 13571481, 15814701, 17555769, 19329079, 20456139, 21326613, 21457051, 24851673, 27587637, 30374267, 39052629, 40714443, 47730991, 49762097, 57987237, 61368417, 63979839, 64371153, 91122801, 143192973, 149286291, 173961711, 193113459, 212619869, 273368403, 334116937, 429578919, 447858873, 637859607, 1002350811, 1913578821, 2338818559, 3007052433, 7016455677, 21049367031]

約数ペア:

[(1, 21049367031), (3, 7016455677), (7, 3007052433), (9, 2338818559), (11, 1913578821), (21, 1002350811), (33, 637859607), (47, 447858873), (49, 429578919), (63, 334116937), (77, 273368403), (99, 212619869), (109, 193113459), (121, 173961711), (141, 149286291), (147, 143192973), (231, 91122801), (327, 64371153), (329, 63979839), (343, 61368417), (363, 57987237), (423, 49762097), (441, 47730991), (517, 40714443), (539, 39052629), (693, 30374267), (763, 27587637), (847, 24851673), (981, 21457051), (987, 21326613), (1029, 20456139), (1089, 19329079), (1199, 17555769), (1331, 15814701), (1551, 13571481), (1617, 13017543), (2289, 9195879), (2303, 9139977), (2541, 8283891), (2961, 7108871), (3087, 6818713), (3597, 5851923), (3619, 5816349), (3773, 5578947), (3993, 5271567), (4653, 4523827), (4851, 4339181), (5123, 4108797), (5341, 3941091), (5687, 3701313), (5929, 3550239), (6867, 3065293), (6909, 3046659), (7623, 2761297), (8393, 2507967), (9317, 2259243), (10791, 1950641), (10857, 1938783), (11319, 1859649), (11979, 1757189), (13189, 1595979), (15369, 1369599), (16023, 1313697), (16121, 1305711), (17061, 1233771), (17787, 1183413), (20727, 1015553), (25179, 835989), (25333, 830907), (27951, 753081), (32571, 646261), (33957, 619883), (35861, 586971), (37387, 563013), (39567, 531993), (39809, 528759), (41503, 507177), (46107, 456533), (48069, 437899), (48363, 435237), (51183, 411257), (53361, 394471), (56353, 373527), (58751, 358281), (62557, 336483), (65219, 322749), (75537, 278663), (75999, 276969), (83853, 251027), (92323, 227997), (107583, 195657), (112161, 187671), (118701, 177331), (119427, 176253), (124509, 169059), (145079, 145089)]