21591210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9859}}^1$

素因数の和:9942

約数の個数: 32

約数和(自身を含む): 52534080

約数和(自身を除く): 30942870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9859, 19718, 29577, 49295, 59154, 98590, 147885, 295770, 719707, 1439414, 2159121, 3598535, 4318242, 7197070, 10795605, 21591210]

約数ペア:

[(1, 21591210), (2, 10795605), (3, 7197070), (5, 4318242), (6, 3598535), (10, 2159121), (15, 1439414), (30, 719707), (73, 295770), (146, 147885), (219, 98590), (365, 59154), (438, 49295), (730, 29577), (1095, 19718), (2190, 9859)]