21358116

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 59439744

約数和(自身を除く): 38081628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 971, 1222, 1692, 1833, 1942, 2444, 2913, 3666, 3884, 5499, 5826, 7332, 8739, 10998, 11652, 12623, 17478, 21996, 25246, 34956, 37869, 45637, 50492, 75738, 91274, 113607, 136911, 151476, 182548, 227214, 273822, 410733, 454428, 547644, 593281, 821466, 1186562, 1642932, 1779843, 2373124, 3559686, 5339529, 7119372, 10679058, 21358116]

約数ペア:

[(1, 21358116), (2, 10679058), (3, 7119372), (4, 5339529), (6, 3559686), (9, 2373124), (12, 1779843), (13, 1642932), (18, 1186562), (26, 821466), (36, 593281), (39, 547644), (47, 454428), (52, 410733), (78, 273822), (94, 227214), (117, 182548), (141, 151476), (156, 136911), (188, 113607), (234, 91274), (282, 75738), (423, 50492), (468, 45637), (564, 37869), (611, 34956), (846, 25246), (971, 21996), (1222, 17478), (1692, 12623), (1833, 11652), (1942, 10998), (2444, 8739), (2913, 7332), (3666, 5826), (3884, 5499)]