21798930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42743}}^1$

素因数の和:42770

約数の個数: 32

約数和(自身を含む): 55396224

約数和(自身を除く): 33597294

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42743, 85486, 128229, 213715, 256458, 427430, 641145, 726631, 1282290, 1453262, 2179893, 3633155, 4359786, 7266310, 10899465, 21798930]

約数ペア:

[(1, 21798930), (2, 10899465), (3, 7266310), (5, 4359786), (6, 3633155), (10, 2179893), (15, 1453262), (17, 1282290), (30, 726631), (34, 641145), (51, 427430), (85, 256458), (102, 213715), (170, 128229), (255, 85486), (510, 42743)]