21527760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4756

約数の個数: 80

約数和(自身を含む): 70263360

約数和(自身を除く): 48735600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4721, 9442, 14163, 18884, 23605, 28326, 37768, 47210, 56652, 70815, 75536, 89699, 94420, 113304, 141630, 179398, 188840, 226608, 269097, 283260, 358796, 377680, 448495, 538194, 566520, 717592, 896990, 1076388, 1133040, 1345485, 1435184, 1793980, 2152776, 2690970, 3587960, 4305552, 5381940, 7175920, 10763880, 21527760]

約数ペア:

[(1, 21527760), (2, 10763880), (3, 7175920), (4, 5381940), (5, 4305552), (6, 3587960), (8, 2690970), (10, 2152776), (12, 1793980), (15, 1435184), (16, 1345485), (19, 1133040), (20, 1076388), (24, 896990), (30, 717592), (38, 566520), (40, 538194), (48, 448495), (57, 377680), (60, 358796), (76, 283260), (80, 269097), (95, 226608), (114, 188840), (120, 179398), (152, 141630), (190, 113304), (228, 94420), (240, 89699), (285, 75536), (304, 70815), (380, 56652), (456, 47210), (570, 37768), (760, 28326), (912, 23605), (1140, 18884), (1520, 14163), (2280, 9442), (4560, 4721)]