21173940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:478

約数の個数: 96

約数和(自身を含む): 66648960

約数和(自身を除く): 45475020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 113, 135, 180, 226, 270, 339, 347, 452, 540, 565, 678, 694, 1017, 1041, 1130, 1356, 1388, 1695, 1735, 2034, 2082, 2260, 3051, 3123, 3390, 3470, 4068, 4164, 5085, 5205, 6102, 6246, 6780, 6940, 9369, 10170, 10410, 12204, 12492, 15255, 15615, 18738, 20340, 20820, 30510, 31230, 37476, 39211, 46845, 61020, 62460, 78422, 93690, 117633, 156844, 187380, 196055, 235266, 352899, 392110, 470532, 588165, 705798, 784220, 1058697, 1176330, 1411596, 1764495, 2117394, 2352660, 3528990, 4234788, 5293485, 7057980, 10586970, 21173940]

約数ペア:

[(1, 21173940), (2, 10586970), (3, 7057980), (4, 5293485), (5, 4234788), (6, 3528990), (9, 2352660), (10, 2117394), (12, 1764495), (15, 1411596), (18, 1176330), (20, 1058697), (27, 784220), (30, 705798), (36, 588165), (45, 470532), (54, 392110), (60, 352899), (90, 235266), (108, 196055), (113, 187380), (135, 156844), (180, 117633), (226, 93690), (270, 78422), (339, 62460), (347, 61020), (452, 46845), (540, 39211), (565, 37476), (678, 31230), (694, 30510), (1017, 20820), (1041, 20340), (1130, 18738), (1356, 15615), (1388, 15255), (1695, 12492), (1735, 12204), (2034, 10410), (2082, 10170), (2260, 9369), (3051, 6940), (3123, 6780), (3390, 6246), (3470, 6102), (4068, 5205), (4164, 5085)]