21861363316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{188779}}^1$

素因数の和:188944

約数の個数: 48

約数和(自身を含む): 43957045440

約数和(自身を除く): 22095682124

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 131, 221, 262, 442, 524, 884, 1703, 2227, 3406, 4454, 6812, 8908, 28951, 57902, 115804, 188779, 377558, 755116, 2454127, 3209243, 4908254, 6418486, 9816508, 12836972, 24730049, 41720159, 49460098, 83440318, 98920196, 166880636, 321490637, 420410833, 642981274, 840821666, 1285962548, 1681643332, 5465340829, 10930681658, 21861363316]

約数ペア:

[(1, 21861363316), (2, 10930681658), (4, 5465340829), (13, 1681643332), (17, 1285962548), (26, 840821666), (34, 642981274), (52, 420410833), (68, 321490637), (131, 166880636), (221, 98920196), (262, 83440318), (442, 49460098), (524, 41720159), (884, 24730049), (1703, 12836972), (2227, 9816508), (3406, 6418486), (4454, 4908254), (6812, 3209243), (8908, 2454127), (28951, 755116), (57902, 377558), (115804, 188779)]