21293490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37357}}^1$

素因数の和:37386

約数の個数: 32

約数和(自身を含む): 53795520

約数和(自身を除く): 32502030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 285, 570, 37357, 74714, 112071, 186785, 224142, 373570, 560355, 709783, 1120710, 1419566, 2129349, 3548915, 4258698, 7097830, 10646745, 21293490]

約数ペア:

[(1, 21293490), (2, 10646745), (3, 7097830), (5, 4258698), (6, 3548915), (10, 2129349), (15, 1419566), (19, 1120710), (30, 709783), (38, 560355), (57, 373570), (95, 224142), (114, 186785), (190, 112071), (285, 74714), (570, 37357)]