21829587

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 10829613

約数列:

[1, 3, 13, 39, 53, 59, 159, 177, 179, 537, 689, 767, 2067, 2301, 2327, 3127, 6981, 9381, 9487, 10561, 28461, 31683, 40651, 121953, 123331, 137293, 369993, 411879, 559733, 1679199, 7276529, 21829587]

約数ペア:

[(1, 21829587), (3, 7276529), (13, 1679199), (39, 559733), (53, 411879), (59, 369993), (159, 137293), (177, 123331), (179, 121953), (537, 40651), (689, 31683), (767, 28461), (2067, 10561), (2301, 9487), (2327, 9381), (3127, 6981)]