21322010

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 18335590

約数列:

[1, 2, 5, 10, 59, 71, 118, 142, 295, 355, 509, 590, 710, 1018, 2545, 4189, 5090, 8378, 20945, 30031, 36139, 41890, 60062, 72278, 150155, 180695, 300310, 361390, 2132201, 4264402, 10661005, 21322010]

約数ペア:

[(1, 21322010), (2, 10661005), (5, 4264402), (10, 2132201), (59, 361390), (71, 300310), (118, 180695), (142, 150155), (295, 72278), (355, 60062), (509, 41890), (590, 36139), (710, 30031), (1018, 20945), (2545, 8378), (4189, 5090)]