21452430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 53561088

約数和(自身を除く): 32108658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 107, 123, 163, 205, 214, 246, 321, 326, 410, 489, 535, 615, 642, 815, 978, 1070, 1230, 1605, 1630, 2445, 3210, 4387, 4890, 6683, 8774, 13161, 13366, 17441, 20049, 21935, 26322, 33415, 34882, 40098, 43870, 52323, 65805, 66830, 87205, 100245, 104646, 131610, 174410, 200490, 261615, 523230, 715081, 1430162, 2145243, 3575405, 4290486, 7150810, 10726215, 21452430]

約数ペア:

[(1, 21452430), (2, 10726215), (3, 7150810), (5, 4290486), (6, 3575405), (10, 2145243), (15, 1430162), (30, 715081), (41, 523230), (82, 261615), (107, 200490), (123, 174410), (163, 131610), (205, 104646), (214, 100245), (246, 87205), (321, 66830), (326, 65805), (410, 52323), (489, 43870), (535, 40098), (615, 34882), (642, 33415), (815, 26322), (978, 21935), (1070, 20049), (1230, 17441), (1605, 13366), (1630, 13161), (2445, 8774), (3210, 6683), (4387, 4890)]