21383262

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 48218352

約数和(自身を除く): 26835090

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 97, 111, 194, 222, 291, 331, 333, 582, 662, 666, 873, 993, 1746, 1986, 2979, 3589, 5958, 7178, 10767, 12247, 21534, 24494, 32107, 32301, 36741, 64214, 64602, 73482, 96321, 110223, 192642, 220446, 288963, 577926, 1187959, 2375918, 3563877, 7127754, 10691631, 21383262]

約数ペア:

[(1, 21383262), (2, 10691631), (3, 7127754), (6, 3563877), (9, 2375918), (18, 1187959), (37, 577926), (74, 288963), (97, 220446), (111, 192642), (194, 110223), (222, 96321), (291, 73482), (331, 64602), (333, 64214), (582, 36741), (662, 32301), (666, 32107), (873, 24494), (993, 21534), (1746, 12247), (1986, 10767), (2979, 7178), (3589, 5958)]