21000388650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{15641}}^1\times {\mathrm{8951}}^1$

素因数の和:24607

約数の個数: 48

約数和(自身を含む): 52090112448

約数和(自身を除く): 31089723798

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 8951, 15641, 17902, 26853, 31282, 44755, 46923, 53706, 78205, 89510, 93846, 134265, 156410, 223775, 234615, 268530, 391025, 447550, 469230, 671325, 782050, 1173075, 1342650, 2346150, 140002591, 280005182, 420007773, 700012955, 840015546, 1400025910, 2100038865, 3500064775, 4200077730, 7000129550, 10500194325, 21000388650]

約数ペア:

[(1, 21000388650), (2, 10500194325), (3, 7000129550), (5, 4200077730), (6, 3500064775), (10, 2100038865), (15, 1400025910), (25, 840015546), (30, 700012955), (50, 420007773), (75, 280005182), (150, 140002591), (8951, 2346150), (15641, 1342650), (17902, 1173075), (26853, 782050), (31282, 671325), (44755, 469230), (46923, 447550), (53706, 391025), (78205, 268530), (89510, 234615), (93846, 223775), (134265, 156410)]