21073446

素因数分解:

$2^1\times 3^5\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 47855808

約数和(自身を除く): 26782362

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 131, 162, 243, 262, 331, 393, 486, 662, 786, 993, 1179, 1986, 2358, 2979, 3537, 5958, 7074, 8937, 10611, 17874, 21222, 26811, 31833, 43361, 53622, 63666, 80433, 86722, 130083, 160866, 260166, 390249, 780498, 1170747, 2341494, 3512241, 7024482, 10536723, 21073446]

約数ペア:

[(1, 21073446), (2, 10536723), (3, 7024482), (6, 3512241), (9, 2341494), (18, 1170747), (27, 780498), (54, 390249), (81, 260166), (131, 160866), (162, 130083), (243, 86722), (262, 80433), (331, 63666), (393, 53622), (486, 43361), (662, 31833), (786, 26811), (993, 21222), (1179, 17874), (1986, 10611), (2358, 8937), (2979, 7074), (3537, 5958)]