21870930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1093}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 56712960

約数和(自身を除く): 34842030

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 1093, 1334, 2001, 2186, 3279, 3335, 4002, 5465, 6558, 6670, 10005, 10930, 16395, 20010, 25139, 31697, 32790, 50278, 63394, 75417, 95091, 125695, 150834, 158485, 190182, 251390, 316970, 377085, 475455, 729031, 754170, 950910, 1458062, 2187093, 3645155, 4374186, 7290310, 10935465, 21870930]

約数ペア:

[(1, 21870930), (2, 10935465), (3, 7290310), (5, 4374186), (6, 3645155), (10, 2187093), (15, 1458062), (23, 950910), (29, 754170), (30, 729031), (46, 475455), (58, 377085), (69, 316970), (87, 251390), (115, 190182), (138, 158485), (145, 150834), (174, 125695), (230, 95091), (290, 75417), (345, 63394), (435, 50278), (667, 32790), (690, 31697), (870, 25139), (1093, 20010), (1334, 16395), (2001, 10930), (2186, 10005), (3279, 6670), (3335, 6558), (4002, 5465)]