21250164

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{761}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 53766720

約数和(自身を除く): 32516556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 179, 358, 537, 716, 761, 1074, 1522, 2148, 2283, 2327, 3044, 4566, 4654, 6981, 9132, 9308, 9893, 13962, 19786, 27924, 29679, 39572, 59358, 118716, 136219, 272438, 408657, 544876, 817314, 1634628, 1770847, 3541694, 5312541, 7083388, 10625082, 21250164]

約数ペア:

[(1, 21250164), (2, 10625082), (3, 7083388), (4, 5312541), (6, 3541694), (12, 1770847), (13, 1634628), (26, 817314), (39, 544876), (52, 408657), (78, 272438), (156, 136219), (179, 118716), (358, 59358), (537, 39572), (716, 29679), (761, 27924), (1074, 19786), (1522, 13962), (2148, 9893), (2283, 9308), (2327, 9132), (3044, 6981), (4566, 4654)]