21918150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:990

約数の個数: 72

約数和(自身を含む): 60063120

約数和(自身を除く): 38144970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 53, 75, 90, 106, 150, 159, 225, 265, 318, 450, 477, 530, 795, 919, 954, 1325, 1590, 1838, 2385, 2650, 2757, 3975, 4595, 4770, 5514, 7950, 8271, 9190, 11925, 13785, 16542, 22975, 23850, 27570, 41355, 45950, 48707, 68925, 82710, 97414, 137850, 146121, 206775, 243535, 292242, 413550, 438363, 487070, 730605, 876726, 1217675, 1461210, 2191815, 2435350, 3653025, 4383630, 7306050, 10959075, 21918150]

約数ペア:

[(1, 21918150), (2, 10959075), (3, 7306050), (5, 4383630), (6, 3653025), (9, 2435350), (10, 2191815), (15, 1461210), (18, 1217675), (25, 876726), (30, 730605), (45, 487070), (50, 438363), (53, 413550), (75, 292242), (90, 243535), (106, 206775), (150, 146121), (159, 137850), (225, 97414), (265, 82710), (318, 68925), (450, 48707), (477, 45950), (530, 41355), (795, 27570), (919, 23850), (954, 22975), (1325, 16542), (1590, 13785), (1838, 11925), (2385, 9190), (2650, 8271), (2757, 7950), (3975, 5514), (4595, 4770)]