21456300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1933}}^1$

素因数の和:1987

約数の個数: 72

約数和(自身を含む): 63791056

約数和(自身を除く): 42334756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1850, 1933, 2220, 2775, 3700, 3866, 5550, 5799, 7732, 9665, 11100, 11598, 19330, 23196, 28995, 38660, 48325, 57990, 71521, 96650, 115980, 143042, 144975, 193300, 214563, 286084, 289950, 357605, 429126, 579900, 715210, 858252, 1072815, 1430420, 1788025, 2145630, 3576050, 4291260, 5364075, 7152100, 10728150, 21456300]

約数ペア:

[(1, 21456300), (2, 10728150), (3, 7152100), (4, 5364075), (5, 4291260), (6, 3576050), (10, 2145630), (12, 1788025), (15, 1430420), (20, 1072815), (25, 858252), (30, 715210), (37, 579900), (50, 429126), (60, 357605), (74, 289950), (75, 286084), (100, 214563), (111, 193300), (148, 144975), (150, 143042), (185, 115980), (222, 96650), (300, 71521), (370, 57990), (444, 48325), (555, 38660), (740, 28995), (925, 23196), (1110, 19330), (1850, 11598), (1933, 11100), (2220, 9665), (2775, 7732), (3700, 5799), (3866, 5550)]