21294468

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 96

約数和(自身を含む): 61622400

約数和(自身を除く): 40327932

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 52, 54, 58, 78, 87, 108, 116, 117, 156, 174, 234, 261, 348, 351, 377, 468, 522, 523, 702, 754, 783, 1044, 1046, 1131, 1404, 1508, 1566, 1569, 2092, 2262, 3132, 3138, 3393, 4524, 4707, 6276, 6786, 6799, 9414, 10179, 13572, 13598, 14121, 15167, 18828, 20358, 20397, 27196, 28242, 30334, 40716, 40794, 45501, 56484, 60668, 61191, 81588, 91002, 122382, 136503, 182004, 183573, 197171, 244764, 273006, 367146, 394342, 409509, 546012, 591513, 734292, 788684, 819018, 1183026, 1638036, 1774539, 2366052, 3549078, 5323617, 7098156, 10647234, 21294468]

約数ペア:

[(1, 21294468), (2, 10647234), (3, 7098156), (4, 5323617), (6, 3549078), (9, 2366052), (12, 1774539), (13, 1638036), (18, 1183026), (26, 819018), (27, 788684), (29, 734292), (36, 591513), (39, 546012), (52, 409509), (54, 394342), (58, 367146), (78, 273006), (87, 244764), (108, 197171), (116, 183573), (117, 182004), (156, 136503), (174, 122382), (234, 91002), (261, 81588), (348, 61191), (351, 60668), (377, 56484), (468, 45501), (522, 40794), (523, 40716), (702, 30334), (754, 28242), (783, 27196), (1044, 20397), (1046, 20358), (1131, 18828), (1404, 15167), (1508, 14121), (1566, 13598), (1569, 13572), (2092, 10179), (2262, 9414), (3132, 6799), (3138, 6786), (3393, 6276), (4524, 4707)]