21315606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{757}}^1$

素因数の和:813

約数の個数: 48

約数和(自身を含む): 48518064

約数和(自身を除く): 27202458

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 741, 757, 1083, 1482, 1514, 2166, 2271, 4542, 4693, 9386, 9841, 14079, 14383, 19682, 28158, 28766, 29523, 43149, 59046, 86298, 186979, 273277, 373958, 546554, 560937, 819831, 1121874, 1639662, 3552601, 7105202, 10657803, 21315606]

約数ペア:

[(1, 21315606), (2, 10657803), (3, 7105202), (6, 3552601), (13, 1639662), (19, 1121874), (26, 819831), (38, 560937), (39, 546554), (57, 373958), (78, 273277), (114, 186979), (247, 86298), (361, 59046), (494, 43149), (722, 29523), (741, 28766), (757, 28158), (1083, 19682), (1482, 14383), (1514, 14079), (2166, 9841), (2271, 9386), (4542, 4693)]