21548316

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1993}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 54268704

約数和(自身を除く): 32720388

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 53, 68, 102, 106, 159, 204, 212, 318, 636, 901, 1802, 1993, 2703, 3604, 3986, 5406, 5979, 7972, 10812, 11958, 23916, 33881, 67762, 101643, 105629, 135524, 203286, 211258, 316887, 406572, 422516, 633774, 1267548, 1795693, 3591386, 5387079, 7182772, 10774158, 21548316]

約数ペア:

[(1, 21548316), (2, 10774158), (3, 7182772), (4, 5387079), (6, 3591386), (12, 1795693), (17, 1267548), (34, 633774), (51, 422516), (53, 406572), (68, 316887), (102, 211258), (106, 203286), (159, 135524), (204, 105629), (212, 101643), (318, 67762), (636, 33881), (901, 23916), (1802, 11958), (1993, 10812), (2703, 7972), (3604, 5979), (3986, 5406)]