21589630

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 19039970

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 683, 1090, 1366, 3161, 3415, 6322, 6830, 15805, 19807, 31610, 39614, 74447, 99035, 148894, 198070, 372235, 744470, 2158963, 4317926, 10794815, 21589630]

約数ペア:

[(1, 21589630), (2, 10794815), (5, 4317926), (10, 2158963), (29, 744470), (58, 372235), (109, 198070), (145, 148894), (218, 99035), (290, 74447), (545, 39614), (683, 31610), (1090, 19807), (1366, 15805), (3161, 6830), (3415, 6322)]