21020232

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1546

約数の個数: 64

約数和(自身を含む): 57139200

約数和(自身を除く): 36118968

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1487, 1767, 2356, 2974, 3534, 4461, 4712, 5948, 7068, 8922, 11896, 14136, 17844, 28253, 35688, 46097, 56506, 84759, 92194, 113012, 138291, 169518, 184388, 226024, 276582, 339036, 368776, 553164, 678072, 875843, 1106328, 1751686, 2627529, 3503372, 5255058, 7006744, 10510116, 21020232]

約数ペア:

[(1, 21020232), (2, 10510116), (3, 7006744), (4, 5255058), (6, 3503372), (8, 2627529), (12, 1751686), (19, 1106328), (24, 875843), (31, 678072), (38, 553164), (57, 368776), (62, 339036), (76, 276582), (93, 226024), (114, 184388), (124, 169518), (152, 138291), (186, 113012), (228, 92194), (248, 84759), (372, 56506), (456, 46097), (589, 35688), (744, 28253), (1178, 17844), (1487, 14136), (1767, 11896), (2356, 8922), (2974, 7068), (3534, 5948), (4461, 4712)]