21679565518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{977}}^1\times {\mathrm{16103}}^1$

素因数の和:17148

約数の個数: 32

約数和(自身を含む): 35720346816

約数和(自身を除く): 14040781298

約数列:

[1, 2, 13, 26, 53, 106, 689, 977, 1378, 1954, 12701, 16103, 25402, 32206, 51781, 103562, 209339, 418678, 673153, 853459, 1346306, 1706918, 11094967, 15732631, 22189934, 31465262, 204524203, 409048406, 833829443, 1667658886, 10839782759, 21679565518]

約数ペア:

[(1, 21679565518), (2, 10839782759), (13, 1667658886), (26, 833829443), (53, 409048406), (106, 204524203), (689, 31465262), (977, 22189934), (1378, 15732631), (1954, 11094967), (12701, 1706918), (16103, 1346306), (25402, 853459), (32206, 673153), (51781, 418678), (103562, 209339)]