21867270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:889

約数の個数: 64

約数和(自身を含む): 56687040

約数和(自身を除く): 34819770

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 53, 85, 102, 106, 159, 170, 255, 265, 318, 510, 530, 795, 809, 901, 1590, 1618, 1802, 2427, 2703, 4045, 4505, 4854, 5406, 8090, 9010, 12135, 13515, 13753, 24270, 27030, 27506, 41259, 42877, 68765, 82518, 85754, 128631, 137530, 206295, 214385, 257262, 412590, 428770, 643155, 728909, 1286310, 1457818, 2186727, 3644545, 4373454, 7289090, 10933635, 21867270]

約数ペア:

[(1, 21867270), (2, 10933635), (3, 7289090), (5, 4373454), (6, 3644545), (10, 2186727), (15, 1457818), (17, 1286310), (30, 728909), (34, 643155), (51, 428770), (53, 412590), (85, 257262), (102, 214385), (106, 206295), (159, 137530), (170, 128631), (255, 85754), (265, 82518), (318, 68765), (510, 42877), (530, 41259), (795, 27506), (809, 27030), (901, 24270), (1590, 13753), (1618, 13515), (1802, 12135), (2427, 9010), (2703, 8090), (4045, 5406), (4505, 4854)]