21046338

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 50083200

約数和(自身を除く): 29036862

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 281, 342, 438, 513, 562, 657, 843, 1026, 1314, 1387, 1686, 1971, 2529, 2774, 3942, 4161, 5058, 5339, 7587, 8322, 10678, 12483, 15174, 16017, 20513, 24966, 32034, 37449, 41026, 48051, 61539, 74898, 96102, 123078, 144153, 184617, 288306, 369234, 389747, 553851, 779494, 1107702, 1169241, 2338482, 3507723, 7015446, 10523169, 21046338]

約数ペア:

[(1, 21046338), (2, 10523169), (3, 7015446), (6, 3507723), (9, 2338482), (18, 1169241), (19, 1107702), (27, 779494), (38, 553851), (54, 389747), (57, 369234), (73, 288306), (114, 184617), (146, 144153), (171, 123078), (219, 96102), (281, 74898), (342, 61539), (438, 48051), (513, 41026), (562, 37449), (657, 32034), (843, 24966), (1026, 20513), (1314, 16017), (1387, 15174), (1686, 12483), (1971, 10678), (2529, 8322), (2774, 7587), (3942, 5339), (4161, 5058)]