21815376

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 62376960

約数和(自身を除く): 40561584

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 79, 88, 132, 158, 176, 237, 264, 316, 474, 523, 528, 632, 869, 948, 1046, 1264, 1569, 1738, 1896, 2092, 2607, 3138, 3476, 3792, 4184, 5214, 5753, 6276, 6952, 8368, 10428, 11506, 12552, 13904, 17259, 20856, 23012, 25104, 34518, 41317, 41712, 46024, 69036, 82634, 92048, 123951, 138072, 165268, 247902, 276144, 330536, 454487, 495804, 661072, 908974, 991608, 1363461, 1817948, 1983216, 2726922, 3635896, 5453844, 7271792, 10907688, 21815376]

約数ペア:

[(1, 21815376), (2, 10907688), (3, 7271792), (4, 5453844), (6, 3635896), (8, 2726922), (11, 1983216), (12, 1817948), (16, 1363461), (22, 991608), (24, 908974), (33, 661072), (44, 495804), (48, 454487), (66, 330536), (79, 276144), (88, 247902), (132, 165268), (158, 138072), (176, 123951), (237, 92048), (264, 82634), (316, 69036), (474, 46024), (523, 41712), (528, 41317), (632, 34518), (869, 25104), (948, 23012), (1046, 20856), (1264, 17259), (1569, 13904), (1738, 12552), (1896, 11506), (2092, 10428), (2607, 8368), (3138, 6952), (3476, 6276), (3792, 5753), (4184, 5214)]