21393030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19273}}^1$

素因数の和:19320

約数の個数: 32

約数和(自身を含む): 52733664

約数和(自身を除く): 31340634

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 19273, 38546, 57819, 96365, 115638, 192730, 289095, 578190, 713101, 1426202, 2139303, 3565505, 4278606, 7131010, 10696515, 21393030]

約数ペア:

[(1, 21393030), (2, 10696515), (3, 7131010), (5, 4278606), (6, 3565505), (10, 2139303), (15, 1426202), (30, 713101), (37, 578190), (74, 289095), (111, 192730), (185, 115638), (222, 96365), (370, 57819), (555, 38546), (1110, 19273)]