21237994

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1\times {\mathrm{853}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 32588640

約数和(自身を除く): 11350646

約数列:

[1, 2, 59, 118, 211, 422, 853, 1706, 12449, 24898, 50327, 100654, 179983, 359966, 10618997, 21237994]

約数ペア:

[(1, 21237994), (2, 10618997), (59, 359966), (118, 179983), (211, 100654), (422, 50327), (853, 24898), (1706, 12449)]