21160600

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3413}}^1$

素因数の和:3460

約数の個数: 48

約数和(自身を含む): 50800320

約数和(自身を除く): 29639720

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3413, 6200, 6826, 13652, 17065, 27304, 34130, 68260, 85325, 105803, 136520, 170650, 211606, 341300, 423212, 529015, 682600, 846424, 1058030, 2116060, 2645075, 4232120, 5290150, 10580300, 21160600]

約数ペア:

[(1, 21160600), (2, 10580300), (4, 5290150), (5, 4232120), (8, 2645075), (10, 2116060), (20, 1058030), (25, 846424), (31, 682600), (40, 529015), (50, 423212), (62, 341300), (100, 211606), (124, 170650), (155, 136520), (200, 105803), (248, 85325), (310, 68260), (620, 34130), (775, 27304), (1240, 17065), (1550, 13652), (3100, 6826), (3413, 6200)]