21917688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{70249}}^1$

素因数の和:70271

約数の個数: 32

約数和(自身を含む): 59010000

約数和(自身を除く): 37092312

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 70249, 140498, 210747, 280996, 421494, 561992, 842988, 913237, 1685976, 1826474, 2739711, 3652948, 5479422, 7305896, 10958844, 21917688]

約数ペア:

[(1, 21917688), (2, 10958844), (3, 7305896), (4, 5479422), (6, 3652948), (8, 2739711), (12, 1826474), (13, 1685976), (24, 913237), (26, 842988), (39, 561992), (52, 421494), (78, 280996), (104, 210747), (156, 140498), (312, 70249)]