21307103685

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{2617}}^1\times {\mathrm{25847}}^1$

素因数の和:28482

約数の個数: 48

約数和(自身を含む): 42226119936

約数和(自身を除く): 20919016251

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 2617, 7851, 13085, 18319, 23553, 25847, 39255, 54957, 77541, 91595, 117765, 129235, 164871, 180929, 232623, 274785, 387705, 542787, 824355, 904645, 1163115, 1628361, 2713935, 8141805, 67641599, 202924797, 338207995, 473491193, 608774391, 1014623985, 1420473579, 2367455965, 3043871955, 4261420737, 7102367895, 21307103685]

約数ペア:

[(1, 21307103685), (3, 7102367895), (5, 4261420737), (7, 3043871955), (9, 2367455965), (15, 1420473579), (21, 1014623985), (35, 608774391), (45, 473491193), (63, 338207995), (105, 202924797), (315, 67641599), (2617, 8141805), (7851, 2713935), (13085, 1628361), (18319, 1163115), (23553, 904645), (25847, 824355), (39255, 542787), (54957, 387705), (77541, 274785), (91595, 232623), (117765, 180929), (129235, 164871)]