21002190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2053}}^1$

素因数の和:2105

約数の個数: 64

約数和(自身を含む): 56788992

約数和(自身を除く): 35786802

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 31, 33, 55, 62, 66, 93, 110, 155, 165, 186, 310, 330, 341, 465, 682, 930, 1023, 1705, 2046, 2053, 3410, 4106, 5115, 6159, 10230, 10265, 12318, 20530, 22583, 30795, 45166, 61590, 63643, 67749, 112915, 127286, 135498, 190929, 225830, 318215, 338745, 381858, 636430, 677490, 700073, 954645, 1400146, 1909290, 2100219, 3500365, 4200438, 7000730, 10501095, 21002190]

約数ペア:

[(1, 21002190), (2, 10501095), (3, 7000730), (5, 4200438), (6, 3500365), (10, 2100219), (11, 1909290), (15, 1400146), (22, 954645), (30, 700073), (31, 677490), (33, 636430), (55, 381858), (62, 338745), (66, 318215), (93, 225830), (110, 190929), (155, 135498), (165, 127286), (186, 112915), (310, 67749), (330, 63643), (341, 61590), (465, 45166), (682, 30795), (930, 22583), (1023, 20530), (1705, 12318), (2046, 10265), (2053, 10230), (3410, 6159), (4106, 5115)]