21985704

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{283}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 65126880

約数和(自身を除く): 43141176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 283, 312, 332, 468, 498, 566, 664, 747, 849, 936, 996, 1079, 1132, 1494, 1698, 1992, 2158, 2264, 2547, 2988, 3237, 3396, 3679, 4316, 5094, 5976, 6474, 6792, 7358, 8632, 9711, 10188, 11037, 12948, 14716, 19422, 20376, 22074, 23489, 25896, 29432, 33111, 38844, 44148, 46978, 66222, 70467, 77688, 88296, 93956, 132444, 140934, 187912, 211401, 264888, 281868, 305357, 422802, 563736, 610714, 845604, 916071, 1221428, 1691208, 1832142, 2442856, 2748213, 3664284, 5496426, 7328568, 10992852, 21985704]

約数ペア:

[(1, 21985704), (2, 10992852), (3, 7328568), (4, 5496426), (6, 3664284), (8, 2748213), (9, 2442856), (12, 1832142), (13, 1691208), (18, 1221428), (24, 916071), (26, 845604), (36, 610714), (39, 563736), (52, 422802), (72, 305357), (78, 281868), (83, 264888), (104, 211401), (117, 187912), (156, 140934), (166, 132444), (234, 93956), (249, 88296), (283, 77688), (312, 70467), (332, 66222), (468, 46978), (498, 44148), (566, 38844), (664, 33111), (747, 29432), (849, 25896), (936, 23489), (996, 22074), (1079, 20376), (1132, 19422), (1494, 14716), (1698, 12948), (1992, 11037), (2158, 10188), (2264, 9711), (2547, 8632), (2988, 7358), (3237, 6792), (3396, 6474), (3679, 5976), (4316, 5094)]