21464350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 41983920

約数和(自身を除く): 20519570

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 113, 131, 145, 226, 262, 290, 565, 655, 725, 1130, 1310, 1450, 2825, 3275, 3277, 3799, 5650, 6550, 6554, 7598, 14803, 16385, 18995, 29606, 32770, 37990, 74015, 81925, 94975, 148030, 163850, 189950, 370075, 429287, 740150, 858574, 2146435, 4292870, 10732175, 21464350]

約数ペア:

[(1, 21464350), (2, 10732175), (5, 4292870), (10, 2146435), (25, 858574), (29, 740150), (50, 429287), (58, 370075), (113, 189950), (131, 163850), (145, 148030), (226, 94975), (262, 81925), (290, 74015), (565, 37990), (655, 32770), (725, 29606), (1130, 18995), (1310, 16385), (1450, 14803), (2825, 7598), (3275, 6554), (3277, 6550), (3799, 5650)]