21711584

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{373}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 45804528

約数和(自身を除く): 24092944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 107, 136, 214, 272, 373, 428, 544, 746, 856, 1492, 1712, 1819, 2984, 3424, 3638, 5968, 6341, 7276, 11936, 12682, 14552, 25364, 29104, 39911, 50728, 58208, 79822, 101456, 159644, 202912, 319288, 638576, 678487, 1277152, 1356974, 2713948, 5427896, 10855792, 21711584]

約数ペア:

[(1, 21711584), (2, 10855792), (4, 5427896), (8, 2713948), (16, 1356974), (17, 1277152), (32, 678487), (34, 638576), (68, 319288), (107, 202912), (136, 159644), (214, 101456), (272, 79822), (373, 58208), (428, 50728), (544, 39911), (746, 29104), (856, 25364), (1492, 14552), (1712, 12682), (1819, 11936), (2984, 7276), (3424, 6341), (3638, 5968)]