21853238680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1423}}^1\times {\mathrm{4219}}^1$

素因数の和:5673

約数の個数: 128

約数和(自身を含む): 60573542400

約数和(自身を除く): 38720303720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1423, 1820, 2846, 3640, 4219, 5692, 7115, 8438, 9961, 11384, 14230, 16876, 18499, 19922, 21095, 28460, 29533, 33752, 36998, 39844, 42190, 49805, 54847, 56920, 59066, 73996, 79688, 84380, 92495, 99610, 109694, 118132, 129493, 147665, 147992, 168760, 184990, 199220, 219388, 236264, 258986, 274235, 295330, 369980, 383929, 398440, 438776, 517972, 548470, 590660, 647465, 739960, 767858, 1035944, 1096940, 1181320, 1294930, 1535716, 1919645, 2193880, 2589860, 3071432, 3839290, 5179720, 6003637, 7678580, 12007274, 15357160, 24014548, 30018185, 42025459, 48029096, 60036370, 78047281, 84050918, 120072740, 156094562, 168101836, 210127295, 240145480, 312189124, 336203672, 390236405, 420254590, 546330967, 624378248, 780472810, 840509180, 1092661934, 1560945620, 1681018360, 2185323868, 2731654835, 3121891240, 4370647736, 5463309670, 10926619340, 21853238680]

約数ペア:

[(1, 21853238680), (2, 10926619340), (4, 5463309670), (5, 4370647736), (7, 3121891240), (8, 2731654835), (10, 2185323868), (13, 1681018360), (14, 1560945620), (20, 1092661934), (26, 840509180), (28, 780472810), (35, 624378248), (40, 546330967), (52, 420254590), (56, 390236405), (65, 336203672), (70, 312189124), (91, 240145480), (104, 210127295), (130, 168101836), (140, 156094562), (182, 120072740), (260, 84050918), (280, 78047281), (364, 60036370), (455, 48029096), (520, 42025459), (728, 30018185), (910, 24014548), (1423, 15357160), (1820, 12007274), (2846, 7678580), (3640, 6003637), (4219, 5179720), (5692, 3839290), (7115, 3071432), (8438, 2589860), (9961, 2193880), (11384, 1919645), (14230, 1535716), (16876, 1294930), (18499, 1181320), (19922, 1096940), (21095, 1035944), (28460, 767858), (29533, 739960), (33752, 647465), (36998, 590660), (39844, 548470), (42190, 517972), (49805, 438776), (54847, 398440), (56920, 383929), (59066, 369980), (73996, 295330), (79688, 274235), (84380, 258986), (92495, 236264), (99610, 219388), (109694, 199220), (118132, 184990), (129493, 168760), (147665, 147992)]