21091410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8081}}^1$

素因数の和:8123

約数の個数: 48

約数和(自身を含む): 56735640

約数和(自身を除く): 35644230

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 8081, 16162, 24243, 40405, 48486, 72729, 80810, 121215, 145458, 234349, 242430, 363645, 468698, 703047, 727290, 1171745, 1406094, 2109141, 2343490, 3515235, 4218282, 7030470, 10545705, 21091410]

約数ペア:

[(1, 21091410), (2, 10545705), (3, 7030470), (5, 4218282), (6, 3515235), (9, 2343490), (10, 2109141), (15, 1406094), (18, 1171745), (29, 727290), (30, 703047), (45, 468698), (58, 363645), (87, 242430), (90, 234349), (145, 145458), (174, 121215), (261, 80810), (290, 72729), (435, 48486), (522, 40405), (870, 24243), (1305, 16162), (2610, 8081)]