21672030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5273}}^1$

素因数の和:5420

約数の個数: 32

約数和(自身を含む): 52402464

約数和(自身を除く): 30730434

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5273, 10546, 15819, 26365, 31638, 52730, 79095, 158190, 722401, 1444802, 2167203, 3612005, 4334406, 7224010, 10836015, 21672030]

約数ペア:

[(1, 21672030), (2, 10836015), (3, 7224010), (5, 4334406), (6, 3612005), (10, 2167203), (15, 1444802), (30, 722401), (137, 158190), (274, 79095), (411, 52730), (685, 31638), (822, 26365), (1370, 15819), (2055, 10546), (4110, 5273)]