21405492

素因数分解:

$2^2\times 3^3\times {\mathrm{47}}^1\times {\mathrm{4217}}^1$

素因数の和:4277

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 35284428

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 47, 54, 94, 108, 141, 188, 282, 423, 564, 846, 1269, 1692, 2538, 4217, 5076, 8434, 12651, 16868, 25302, 37953, 50604, 75906, 113859, 151812, 198199, 227718, 396398, 455436, 594597, 792796, 1189194, 1783791, 2378388, 3567582, 5351373, 7135164, 10702746, 21405492]

約数ペア:

[(1, 21405492), (2, 10702746), (3, 7135164), (4, 5351373), (6, 3567582), (9, 2378388), (12, 1783791), (18, 1189194), (27, 792796), (36, 594597), (47, 455436), (54, 396398), (94, 227718), (108, 198199), (141, 151812), (188, 113859), (282, 75906), (423, 50604), (564, 37953), (846, 25302), (1269, 16868), (1692, 12651), (2538, 8434), (4217, 5076)]