21915693840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{91315391}}^1$

素因数の和:91315407

約数の個数: 40

約数和(自身を含む): 67938651648

約数和(自身を除く): 46022957808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 91315391, 182630782, 273946173, 365261564, 456576955, 547892346, 730523128, 913153910, 1095784692, 1369730865, 1461046256, 1826307820, 2191569384, 2739461730, 3652615640, 4383138768, 5478923460, 7305231280, 10957846920, 21915693840]

約数ペア:

[(1, 21915693840), (2, 10957846920), (3, 7305231280), (4, 5478923460), (5, 4383138768), (6, 3652615640), (8, 2739461730), (10, 2191569384), (12, 1826307820), (15, 1461046256), (16, 1369730865), (20, 1095784692), (24, 913153910), (30, 730523128), (40, 547892346), (48, 456576955), (60, 365261564), (80, 273946173), (120, 182630782), (240, 91315391)]