21841512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 69672960

約数和(自身を除く): 47831448

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 53, 56, 66, 77, 84, 88, 106, 132, 154, 159, 168, 212, 223, 231, 264, 308, 318, 371, 424, 446, 462, 583, 616, 636, 669, 742, 892, 924, 1113, 1166, 1272, 1338, 1484, 1561, 1749, 1784, 1848, 2226, 2332, 2453, 2676, 2968, 3122, 3498, 4081, 4452, 4664, 4683, 4906, 5352, 6244, 6996, 7359, 8162, 8904, 9366, 9812, 11819, 12243, 12488, 13992, 14718, 16324, 17171, 18732, 19624, 23638, 24486, 29436, 32648, 34342, 35457, 37464, 47276, 48972, 51513, 58872, 68684, 70914, 82733, 94552, 97944, 103026, 130009, 137368, 141828, 165466, 206052, 248199, 260018, 283656, 330932, 390027, 412104, 496398, 520036, 661864, 780054, 910063, 992796, 1040072, 1560108, 1820126, 1985592, 2730189, 3120216, 3640252, 5460378, 7280504, 10920756, 21841512]

約数ペア:

[(1, 21841512), (2, 10920756), (3, 7280504), (4, 5460378), (6, 3640252), (7, 3120216), (8, 2730189), (11, 1985592), (12, 1820126), (14, 1560108), (21, 1040072), (22, 992796), (24, 910063), (28, 780054), (33, 661864), (42, 520036), (44, 496398), (53, 412104), (56, 390027), (66, 330932), (77, 283656), (84, 260018), (88, 248199), (106, 206052), (132, 165466), (154, 141828), (159, 137368), (168, 130009), (212, 103026), (223, 97944), (231, 94552), (264, 82733), (308, 70914), (318, 68684), (371, 58872), (424, 51513), (446, 48972), (462, 47276), (583, 37464), (616, 35457), (636, 34342), (669, 32648), (742, 29436), (892, 24486), (924, 23638), (1113, 19624), (1166, 18732), (1272, 17171), (1338, 16324), (1484, 14718), (1561, 13992), (1749, 12488), (1784, 12243), (1848, 11819), (2226, 9812), (2332, 9366), (2453, 8904), (2676, 8162), (2968, 7359), (3122, 6996), (3498, 6244), (4081, 5352), (4452, 4906), (4664, 4683)]