21920844

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 58153984

約数和(自身を除く): 36233140

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 484, 487, 682, 726, 974, 1023, 1364, 1452, 1461, 1948, 2046, 2922, 3751, 4092, 5357, 5844, 7502, 10714, 11253, 15004, 15097, 16071, 21428, 22506, 30194, 32142, 45012, 45291, 58927, 60388, 64284, 90582, 117854, 166067, 176781, 181164, 235708, 332134, 353562, 498201, 664268, 707124, 996402, 1826737, 1992804, 3653474, 5480211, 7306948, 10960422, 21920844]

約数ペア:

[(1, 21920844), (2, 10960422), (3, 7306948), (4, 5480211), (6, 3653474), (11, 1992804), (12, 1826737), (22, 996402), (31, 707124), (33, 664268), (44, 498201), (62, 353562), (66, 332134), (93, 235708), (121, 181164), (124, 176781), (132, 166067), (186, 117854), (242, 90582), (341, 64284), (363, 60388), (372, 58927), (484, 45291), (487, 45012), (682, 32142), (726, 30194), (974, 22506), (1023, 21428), (1364, 16071), (1452, 15097), (1461, 15004), (1948, 11253), (2046, 10714), (2922, 7502), (3751, 5844), (4092, 5357)]