21827320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32099}}^1$

素因数の和:32127

約数の個数: 32

約数和(自身を含む): 52002000

約数和(自身を除く): 30174680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 32099, 64198, 128396, 160495, 256792, 320990, 545683, 641980, 1091366, 1283960, 2182732, 2728415, 4365464, 5456830, 10913660, 21827320]

約数ペア:

[(1, 21827320), (2, 10913660), (4, 5456830), (5, 4365464), (8, 2728415), (10, 2182732), (17, 1283960), (20, 1091366), (34, 641980), (40, 545683), (68, 320990), (85, 256792), (136, 160495), (170, 128396), (340, 64198), (680, 32099)]