21193588

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1129}}^1$

素因数の和:1184

約数の個数: 36

約数和(自身を含む): 42191940

約数和(自身を除く): 20998352

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1129, 1444, 2258, 4516, 4693, 9386, 14677, 18772, 21451, 29354, 42902, 58708, 85804, 278863, 407569, 557726, 815138, 1115452, 1630276, 5298397, 10596794, 21193588]

約数ペア:

[(1, 21193588), (2, 10596794), (4, 5298397), (13, 1630276), (19, 1115452), (26, 815138), (38, 557726), (52, 407569), (76, 278863), (247, 85804), (361, 58708), (494, 42902), (722, 29354), (988, 21451), (1129, 18772), (1444, 14677), (2258, 9386), (4516, 4693)]