21864800

素因数分解:

$2^5\times 5^2\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 72

約数和(自身を含む): 54027792

約数和(自身を除く): 32162992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 151, 160, 181, 200, 302, 362, 400, 604, 724, 755, 800, 905, 1208, 1448, 1510, 1810, 2416, 2896, 3020, 3620, 3775, 4525, 4832, 5792, 6040, 7240, 7550, 9050, 12080, 14480, 15100, 18100, 24160, 27331, 28960, 30200, 36200, 54662, 60400, 72400, 109324, 120800, 136655, 144800, 218648, 273310, 437296, 546620, 683275, 874592, 1093240, 1366550, 2186480, 2733100, 4372960, 5466200, 10932400, 21864800]

約数ペア:

[(1, 21864800), (2, 10932400), (4, 5466200), (5, 4372960), (8, 2733100), (10, 2186480), (16, 1366550), (20, 1093240), (25, 874592), (32, 683275), (40, 546620), (50, 437296), (80, 273310), (100, 218648), (151, 144800), (160, 136655), (181, 120800), (200, 109324), (302, 72400), (362, 60400), (400, 54662), (604, 36200), (724, 30200), (755, 28960), (800, 27331), (905, 24160), (1208, 18100), (1448, 15100), (1510, 14480), (1810, 12080), (2416, 9050), (2896, 7550), (3020, 7240), (3620, 6040), (3775, 5792), (4525, 4832)]