21344700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 108

約数和(自身を含む): 67032168

約数和(自身を除く): 45687468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 169, 195, 260, 300, 325, 338, 390, 421, 507, 650, 676, 780, 842, 845, 975, 1014, 1263, 1300, 1684, 1690, 1950, 2028, 2105, 2526, 2535, 3380, 3900, 4210, 4225, 5052, 5070, 5473, 6315, 8420, 8450, 10140, 10525, 10946, 12630, 12675, 16419, 16900, 21050, 21892, 25260, 25350, 27365, 31575, 32838, 42100, 50700, 54730, 63150, 65676, 71149, 82095, 109460, 126300, 136825, 142298, 164190, 213447, 273650, 284596, 328380, 355745, 410475, 426894, 547300, 711490, 820950, 853788, 1067235, 1422980, 1641900, 1778725, 2134470, 3557450, 4268940, 5336175, 7114900, 10672350, 21344700]

約数ペア:

[(1, 21344700), (2, 10672350), (3, 7114900), (4, 5336175), (5, 4268940), (6, 3557450), (10, 2134470), (12, 1778725), (13, 1641900), (15, 1422980), (20, 1067235), (25, 853788), (26, 820950), (30, 711490), (39, 547300), (50, 426894), (52, 410475), (60, 355745), (65, 328380), (75, 284596), (78, 273650), (100, 213447), (130, 164190), (150, 142298), (156, 136825), (169, 126300), (195, 109460), (260, 82095), (300, 71149), (325, 65676), (338, 63150), (390, 54730), (421, 50700), (507, 42100), (650, 32838), (676, 31575), (780, 27365), (842, 25350), (845, 25260), (975, 21892), (1014, 21050), (1263, 16900), (1300, 16419), (1684, 12675), (1690, 12630), (1950, 10946), (2028, 10525), (2105, 10140), (2526, 8450), (2535, 8420), (3380, 6315), (3900, 5473), (4210, 5070), (4225, 5052)]