21175752

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1013}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 57919680

約数和(自身を除く): 36743928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 67, 78, 104, 134, 156, 201, 268, 312, 402, 536, 804, 871, 1013, 1608, 1742, 2026, 2613, 3039, 3484, 4052, 5226, 6078, 6968, 8104, 10452, 12156, 13169, 20904, 24312, 26338, 39507, 52676, 67871, 79014, 105352, 135742, 158028, 203613, 271484, 316056, 407226, 542968, 814452, 882323, 1628904, 1764646, 2646969, 3529292, 5293938, 7058584, 10587876, 21175752]

約数ペア:

[(1, 21175752), (2, 10587876), (3, 7058584), (4, 5293938), (6, 3529292), (8, 2646969), (12, 1764646), (13, 1628904), (24, 882323), (26, 814452), (39, 542968), (52, 407226), (67, 316056), (78, 271484), (104, 203613), (134, 158028), (156, 135742), (201, 105352), (268, 79014), (312, 67871), (402, 52676), (536, 39507), (804, 26338), (871, 24312), (1013, 20904), (1608, 13169), (1742, 12156), (2026, 10452), (2613, 8104), (3039, 6968), (3484, 6078), (4052, 5226)]