21653502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{769}}^1$

素因数の和:825

約数の個数: 48

約数和(自身を含む): 49286160

約数和(自身を除く): 27632658

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 361, 494, 722, 741, 769, 1083, 1482, 1538, 2166, 2307, 4614, 4693, 9386, 9997, 14079, 14611, 19994, 28158, 29222, 29991, 43833, 59982, 87666, 189943, 277609, 379886, 555218, 569829, 832827, 1139658, 1665654, 3608917, 7217834, 10826751, 21653502]

約数ペア:

[(1, 21653502), (2, 10826751), (3, 7217834), (6, 3608917), (13, 1665654), (19, 1139658), (26, 832827), (38, 569829), (39, 555218), (57, 379886), (78, 277609), (114, 189943), (247, 87666), (361, 59982), (494, 43833), (722, 29991), (741, 29222), (769, 28158), (1083, 19994), (1482, 14611), (1538, 14079), (2166, 9997), (2307, 9386), (4614, 4693)]