21726348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13613}}^1$

素因数の和:13646

約数の個数: 48

約数和(自身を含む): 60990720

約数和(自身を除く): 39264372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 13613, 27226, 40839, 54452, 81678, 95291, 163356, 190582, 258647, 285873, 381164, 517294, 571746, 775941, 1034588, 1143492, 1551882, 1810529, 3103764, 3621058, 5431587, 7242116, 10863174, 21726348]

約数ペア:

[(1, 21726348), (2, 10863174), (3, 7242116), (4, 5431587), (6, 3621058), (7, 3103764), (12, 1810529), (14, 1551882), (19, 1143492), (21, 1034588), (28, 775941), (38, 571746), (42, 517294), (57, 381164), (76, 285873), (84, 258647), (114, 190582), (133, 163356), (228, 95291), (266, 81678), (399, 54452), (532, 40839), (798, 27226), (1596, 13613)]