21736572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 39227268

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 53, 66, 78, 106, 132, 143, 156, 159, 212, 239, 286, 318, 429, 478, 572, 583, 636, 689, 717, 858, 956, 1166, 1378, 1434, 1716, 1749, 2067, 2332, 2629, 2756, 2868, 3107, 3498, 4134, 5258, 6214, 6996, 7579, 7887, 8268, 9321, 10516, 12428, 12667, 15158, 15774, 18642, 22737, 25334, 30316, 31548, 34177, 37284, 38001, 45474, 50668, 68354, 76002, 90948, 102531, 136708, 139337, 152004, 164671, 205062, 278674, 329342, 410124, 418011, 494013, 557348, 658684, 836022, 988026, 1672044, 1811381, 1976052, 3622762, 5434143, 7245524, 10868286, 21736572]

約数ペア:

[(1, 21736572), (2, 10868286), (3, 7245524), (4, 5434143), (6, 3622762), (11, 1976052), (12, 1811381), (13, 1672044), (22, 988026), (26, 836022), (33, 658684), (39, 557348), (44, 494013), (52, 418011), (53, 410124), (66, 329342), (78, 278674), (106, 205062), (132, 164671), (143, 152004), (156, 139337), (159, 136708), (212, 102531), (239, 90948), (286, 76002), (318, 68354), (429, 50668), (478, 45474), (572, 38001), (583, 37284), (636, 34177), (689, 31548), (717, 30316), (858, 25334), (956, 22737), (1166, 18642), (1378, 15774), (1434, 15158), (1716, 12667), (1749, 12428), (2067, 10516), (2332, 9321), (2629, 8268), (2756, 7887), (2868, 7579), (3107, 6996), (3498, 6214), (4134, 5258)]