21545154

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:595

約数の個数: 48

約数和(自身を含む): 49827960

約数和(自身を除く): 28282806

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 181, 306, 362, 389, 543, 778, 1086, 1167, 1629, 2334, 3077, 3258, 3501, 6154, 6613, 7002, 9231, 13226, 18462, 19839, 27693, 39678, 55386, 59517, 70409, 119034, 140818, 211227, 422454, 633681, 1196953, 1267362, 2393906, 3590859, 7181718, 10772577, 21545154]

約数ペア:

[(1, 21545154), (2, 10772577), (3, 7181718), (6, 3590859), (9, 2393906), (17, 1267362), (18, 1196953), (34, 633681), (51, 422454), (102, 211227), (153, 140818), (181, 119034), (306, 70409), (362, 59517), (389, 55386), (543, 39678), (778, 27693), (1086, 19839), (1167, 18462), (1629, 13226), (2334, 9231), (3077, 7002), (3258, 6613), (3501, 6154)]