21558864

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 80

約数和(自身を含む): 58428800

約数和(自身を除く): 36869936

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 61, 74, 111, 122, 148, 183, 199, 222, 244, 296, 366, 398, 444, 488, 592, 597, 732, 796, 888, 976, 1194, 1464, 1592, 1776, 2257, 2388, 2928, 3184, 4514, 4776, 6771, 7363, 9028, 9552, 12139, 13542, 14726, 18056, 22089, 24278, 27084, 29452, 36112, 36417, 44178, 48556, 54168, 58904, 72834, 88356, 97112, 108336, 117808, 145668, 176712, 194224, 291336, 353424, 449143, 582672, 898286, 1347429, 1796572, 2694858, 3593144, 5389716, 7186288, 10779432, 21558864]

約数ペア:

[(1, 21558864), (2, 10779432), (3, 7186288), (4, 5389716), (6, 3593144), (8, 2694858), (12, 1796572), (16, 1347429), (24, 898286), (37, 582672), (48, 449143), (61, 353424), (74, 291336), (111, 194224), (122, 176712), (148, 145668), (183, 117808), (199, 108336), (222, 97112), (244, 88356), (296, 72834), (366, 58904), (398, 54168), (444, 48556), (488, 44178), (592, 36417), (597, 36112), (732, 29452), (796, 27084), (888, 24278), (976, 22089), (1194, 18056), (1464, 14726), (1592, 13542), (1776, 12139), (2257, 9552), (2388, 9028), (2928, 7363), (3184, 6771), (4514, 4776)]