21984090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 55683072

約数和(自身を除く): 33698982

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 151, 211, 230, 302, 345, 422, 453, 633, 690, 755, 906, 1055, 1266, 1510, 2110, 2265, 3165, 3473, 4530, 4853, 6330, 6946, 9706, 10419, 14559, 17365, 20838, 24265, 29118, 31861, 34730, 48530, 52095, 63722, 72795, 95583, 104190, 145590, 159305, 191166, 318610, 477915, 732803, 955830, 1465606, 2198409, 3664015, 4396818, 7328030, 10992045, 21984090]

約数ペア:

[(1, 21984090), (2, 10992045), (3, 7328030), (5, 4396818), (6, 3664015), (10, 2198409), (15, 1465606), (23, 955830), (30, 732803), (46, 477915), (69, 318610), (115, 191166), (138, 159305), (151, 145590), (211, 104190), (230, 95583), (302, 72795), (345, 63722), (422, 52095), (453, 48530), (633, 34730), (690, 31861), (755, 29118), (906, 24265), (1055, 20838), (1266, 17365), (1510, 14559), (2110, 10419), (2265, 9706), (3165, 6946), (3473, 6330), (4530, 4853)]