21087030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1231}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 50738688

約数和(自身を除く): 29651658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 571, 1142, 1231, 1713, 2462, 2855, 3426, 3693, 5710, 6155, 7386, 8565, 12310, 17130, 18465, 36930, 702901, 1405802, 2108703, 3514505, 4217406, 7029010, 10543515, 21087030]

約数ペア:

[(1, 21087030), (2, 10543515), (3, 7029010), (5, 4217406), (6, 3514505), (10, 2108703), (15, 1405802), (30, 702901), (571, 36930), (1142, 18465), (1231, 17130), (1713, 12310), (2462, 8565), (2855, 7386), (3426, 6155), (3693, 5710)]