21000388626

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{160723}}^1$

素因数の和:160816

約数の個数: 96

約数和(自身を含む): 55962811008

約数和(自身を除く): 34962422382

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 61, 63, 102, 119, 122, 126, 153, 183, 238, 306, 357, 366, 427, 549, 714, 854, 1037, 1071, 1098, 1281, 2074, 2142, 2562, 3111, 3843, 6222, 7259, 7686, 9333, 14518, 18666, 21777, 43554, 65331, 130662, 160723, 321446, 482169, 964338, 1125061, 1446507, 2250122, 2732291, 2893014, 3375183, 5464582, 6750366, 8196873, 9804103, 10125549, 16393746, 19126037, 19608206, 20251098, 24590619, 29412309, 38252074, 49181238, 57378111, 58824618, 68628721, 88236927, 114756222, 137257442, 166669751, 172134333, 176473854, 205886163, 333339502, 344268666, 411772326, 500009253, 617658489, 1000018506, 1166688257, 1235316978, 1500027759, 2333376514, 3000055518, 3500064771, 7000129542, 10500194313, 21000388626]

約数ペア:

[(1, 21000388626), (2, 10500194313), (3, 7000129542), (6, 3500064771), (7, 3000055518), (9, 2333376514), (14, 1500027759), (17, 1235316978), (18, 1166688257), (21, 1000018506), (34, 617658489), (42, 500009253), (51, 411772326), (61, 344268666), (63, 333339502), (102, 205886163), (119, 176473854), (122, 172134333), (126, 166669751), (153, 137257442), (183, 114756222), (238, 88236927), (306, 68628721), (357, 58824618), (366, 57378111), (427, 49181238), (549, 38252074), (714, 29412309), (854, 24590619), (1037, 20251098), (1071, 19608206), (1098, 19126037), (1281, 16393746), (2074, 10125549), (2142, 9804103), (2562, 8196873), (3111, 6750366), (3843, 5464582), (6222, 3375183), (7259, 2893014), (7686, 2732291), (9333, 2250122), (14518, 1446507), (18666, 1125061), (21777, 964338), (43554, 482169), (65331, 321446), (130662, 160723)]