21086842680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58574563}}^1$

素因数の和:58574580

約数の個数: 48

約数和(自身を含む): 68532239880

約数和(自身を除く): 47445397200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58574563, 117149126, 175723689, 234298252, 292872815, 351447378, 468596504, 527171067, 585745630, 702894756, 878618445, 1054342134, 1171491260, 1405789512, 1757236890, 2108684268, 2342982520, 2635855335, 3514473780, 4217368536, 5271710670, 7028947560, 10543421340, 21086842680]

約数ペア:

[(1, 21086842680), (2, 10543421340), (3, 7028947560), (4, 5271710670), (5, 4217368536), (6, 3514473780), (8, 2635855335), (9, 2342982520), (10, 2108684268), (12, 1757236890), (15, 1405789512), (18, 1171491260), (20, 1054342134), (24, 878618445), (30, 702894756), (36, 585745630), (40, 527171067), (45, 468596504), (60, 351447378), (72, 292872815), (90, 234298252), (120, 175723689), (180, 117149126), (360, 58574563)]