21722100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 63933408

約数和(自身を除く): 42211308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 61, 75, 100, 122, 150, 183, 244, 300, 305, 366, 610, 732, 915, 1187, 1220, 1525, 1830, 2374, 3050, 3561, 3660, 4575, 4748, 5935, 6100, 7122, 9150, 11870, 14244, 17805, 18300, 23740, 29675, 35610, 59350, 71220, 72407, 89025, 118700, 144814, 178050, 217221, 289628, 356100, 362035, 434442, 724070, 868884, 1086105, 1448140, 1810175, 2172210, 3620350, 4344420, 5430525, 7240700, 10861050, 21722100]

約数ペア:

[(1, 21722100), (2, 10861050), (3, 7240700), (4, 5430525), (5, 4344420), (6, 3620350), (10, 2172210), (12, 1810175), (15, 1448140), (20, 1086105), (25, 868884), (30, 724070), (50, 434442), (60, 362035), (61, 356100), (75, 289628), (100, 217221), (122, 178050), (150, 144814), (183, 118700), (244, 89025), (300, 72407), (305, 71220), (366, 59350), (610, 35610), (732, 29675), (915, 23740), (1187, 18300), (1220, 17805), (1525, 14244), (1830, 11870), (2374, 9150), (3050, 7122), (3561, 6100), (3660, 5935), (4575, 4748)]