21263130

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{33751}}^1$

素因数の和:33771

約数の個数: 48

約数和(自身を含む): 63183744

約数和(自身を除く): 41920614

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 33751, 67502, 101253, 168755, 202506, 236257, 303759, 337510, 472514, 506265, 607518, 708771, 1012530, 1181285, 1417542, 1518795, 2126313, 2362570, 3037590, 3543855, 4252626, 7087710, 10631565, 21263130]

約数ペア:

[(1, 21263130), (2, 10631565), (3, 7087710), (5, 4252626), (6, 3543855), (7, 3037590), (9, 2362570), (10, 2126313), (14, 1518795), (15, 1417542), (18, 1181285), (21, 1012530), (30, 708771), (35, 607518), (42, 506265), (45, 472514), (63, 337510), (70, 303759), (90, 236257), (105, 202506), (126, 168755), (210, 101253), (315, 67502), (630, 33751)]