21830910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1153

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 34778370

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, 1091, 1334, 2001, 2182, 3273, 3335, 4002, 5455, 6546, 6670, 10005, 10910, 16365, 20010, 25093, 31639, 32730, 50186, 63278, 75279, 94917, 125465, 150558, 158195, 189834, 250930, 316390, 376395, 474585, 727697, 752790, 949170, 1455394, 2183091, 3638485, 4366182, 7276970, 10915455, 21830910]

約数ペア:

[(1, 21830910), (2, 10915455), (3, 7276970), (5, 4366182), (6, 3638485), (10, 2183091), (15, 1455394), (23, 949170), (29, 752790), (30, 727697), (46, 474585), (58, 376395), (69, 316390), (87, 250930), (115, 189834), (138, 158195), (145, 150558), (174, 125465), (230, 94917), (290, 75279), (345, 63278), (435, 50186), (667, 32730), (690, 31639), (870, 25093), (1091, 20010), (1334, 16365), (2001, 10910), (2182, 10005), (3273, 6670), (3335, 6546), (4002, 5455)]