21540700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12671}}^1$

素因数の和:12702

約数の個数: 36

約数和(自身を含む): 49496832

約数和(自身を除く): 27956132

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 12671, 25342, 50684, 63355, 126710, 215407, 253420, 316775, 430814, 633550, 861628, 1077035, 1267100, 2154070, 4308140, 5385175, 10770350, 21540700]

約数ペア:

[(1, 21540700), (2, 10770350), (4, 5385175), (5, 4308140), (10, 2154070), (17, 1267100), (20, 1077035), (25, 861628), (34, 633550), (50, 430814), (68, 316775), (85, 253420), (100, 215407), (170, 126710), (340, 63355), (425, 50684), (850, 25342), (1700, 12671)]