21199470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 31677330

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 67, 106, 134, 159, 199, 201, 265, 318, 335, 398, 402, 530, 597, 670, 795, 995, 1005, 1194, 1590, 1990, 2010, 2985, 3551, 5970, 7102, 10547, 10653, 13333, 17755, 21094, 21306, 26666, 31641, 35510, 39999, 52735, 53265, 63282, 66665, 79998, 105470, 106530, 133330, 158205, 199995, 316410, 399990, 706649, 1413298, 2119947, 3533245, 4239894, 7066490, 10599735, 21199470]

約数ペア:

[(1, 21199470), (2, 10599735), (3, 7066490), (5, 4239894), (6, 3533245), (10, 2119947), (15, 1413298), (30, 706649), (53, 399990), (67, 316410), (106, 199995), (134, 158205), (159, 133330), (199, 106530), (201, 105470), (265, 79998), (318, 66665), (335, 63282), (398, 53265), (402, 52735), (530, 39999), (597, 35510), (670, 31641), (795, 26666), (995, 21306), (1005, 21094), (1194, 17755), (1590, 13333), (1990, 10653), (2010, 10547), (2985, 7102), (3551, 5970)]