21995610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1188

約数の個数: 96

約数和(自身を含む): 66189312

約数和(自身を除く): 44193702

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 455, 490, 546, 637, 735, 910, 1151, 1274, 1365, 1470, 1911, 2302, 2730, 3185, 3453, 3822, 5755, 6370, 6906, 8057, 9555, 11510, 14963, 16114, 17265, 19110, 24171, 29926, 34530, 40285, 44889, 48342, 56399, 74815, 80570, 89778, 104741, 112798, 120855, 149630, 169197, 209482, 224445, 241710, 281995, 314223, 338394, 448890, 523705, 563990, 628446, 733187, 845985, 1047410, 1466374, 1571115, 1691970, 2199561, 3142230, 3665935, 4399122, 7331870, 10997805, 21995610]

約数ペア:

[(1, 21995610), (2, 10997805), (3, 7331870), (5, 4399122), (6, 3665935), (7, 3142230), (10, 2199561), (13, 1691970), (14, 1571115), (15, 1466374), (21, 1047410), (26, 845985), (30, 733187), (35, 628446), (39, 563990), (42, 523705), (49, 448890), (65, 338394), (70, 314223), (78, 281995), (91, 241710), (98, 224445), (105, 209482), (130, 169197), (147, 149630), (182, 120855), (195, 112798), (210, 104741), (245, 89778), (273, 80570), (294, 74815), (390, 56399), (455, 48342), (490, 44889), (546, 40285), (637, 34530), (735, 29926), (910, 24171), (1151, 19110), (1274, 17265), (1365, 16114), (1470, 14963), (1911, 11510), (2302, 9555), (2730, 8057), (3185, 6906), (3453, 6370), (3822, 5755)]