21393570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{269}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 56453760

約数和(自身を除く): 35060190

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 241, 269, 330, 482, 538, 723, 807, 1205, 1345, 1446, 1614, 2410, 2651, 2690, 2959, 3615, 4035, 5302, 5918, 7230, 7953, 8070, 8877, 13255, 14795, 15906, 17754, 26510, 29590, 39765, 44385, 64829, 79530, 88770, 129658, 194487, 324145, 388974, 648290, 713119, 972435, 1426238, 1944870, 2139357, 3565595, 4278714, 7131190, 10696785, 21393570]

約数ペア:

[(1, 21393570), (2, 10696785), (3, 7131190), (5, 4278714), (6, 3565595), (10, 2139357), (11, 1944870), (15, 1426238), (22, 972435), (30, 713119), (33, 648290), (55, 388974), (66, 324145), (110, 194487), (165, 129658), (241, 88770), (269, 79530), (330, 64829), (482, 44385), (538, 39765), (723, 29590), (807, 26510), (1205, 17754), (1345, 15906), (1446, 14795), (1614, 13255), (2410, 8877), (2651, 8070), (2690, 7953), (2959, 7230), (3615, 5918), (4035, 5302)]