21928538

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 36438336

約数和(自身を除く): 14509798

約数列:

[1, 2, 17, 34, 43, 53, 86, 106, 283, 566, 731, 901, 1462, 1802, 2279, 4558, 4811, 9622, 12169, 14999, 24338, 29998, 38743, 77486, 206873, 254983, 413746, 509966, 644957, 1289914, 10964269, 21928538]

約数ペア:

[(1, 21928538), (2, 10964269), (17, 1289914), (34, 644957), (43, 509966), (53, 413746), (86, 254983), (106, 206873), (283, 77486), (566, 38743), (731, 29998), (901, 24338), (1462, 14999), (1802, 12169), (2279, 9622), (4558, 4811)]