21103729925

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{9661}}^1$

素因数の和:9854

約数の個数: 48

約数和(自身を含む): 28466570880

約数和(自身を除く): 7362840955

約数列:

[1, 5, 23, 25, 29, 115, 131, 145, 575, 655, 667, 725, 3013, 3275, 3335, 3799, 9661, 15065, 16675, 18995, 48305, 75325, 87377, 94975, 222203, 241525, 280169, 436885, 1111015, 1265591, 1400845, 2184425, 5555075, 6327955, 6443887, 7004225, 29108593, 31639775, 32219435, 36702139, 145542965, 161097175, 183510695, 727714825, 844149197, 917553475, 4220745985, 21103729925]

約数ペア:

[(1, 21103729925), (5, 4220745985), (23, 917553475), (25, 844149197), (29, 727714825), (115, 183510695), (131, 161097175), (145, 145542965), (575, 36702139), (655, 32219435), (667, 31639775), (725, 29108593), (3013, 7004225), (3275, 6443887), (3335, 6327955), (3799, 5555075), (9661, 2184425), (15065, 1400845), (16675, 1265591), (18995, 1111015), (48305, 436885), (75325, 280169), (87377, 241525), (94975, 222203)]