21534970

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{149}}^2$

素因数の和:402

約数の個数: 24

約数和(自身を含む): 39427164

約数和(自身を除く): 17892194

約数列:

[1, 2, 5, 10, 97, 149, 194, 298, 485, 745, 970, 1490, 14453, 22201, 28906, 44402, 72265, 111005, 144530, 222010, 2153497, 4306994, 10767485, 21534970]

約数ペア:

[(1, 21534970), (2, 10767485), (5, 4306994), (10, 2153497), (97, 222010), (149, 144530), (194, 111005), (298, 72265), (485, 44402), (745, 28906), (970, 22201), (1490, 14453)]