21064224

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{12907}}^1$

素因数の和:12937

約数の個数: 48

約数和(自身を含む): 58550688

約数和(自身を除く): 37486464

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 204, 272, 408, 544, 816, 1632, 12907, 25814, 38721, 51628, 77442, 103256, 154884, 206512, 219419, 309768, 413024, 438838, 619536, 658257, 877676, 1239072, 1316514, 1755352, 2633028, 3510704, 5266056, 7021408, 10532112, 21064224]

約数ペア:

[(1, 21064224), (2, 10532112), (3, 7021408), (4, 5266056), (6, 3510704), (8, 2633028), (12, 1755352), (16, 1316514), (17, 1239072), (24, 877676), (32, 658257), (34, 619536), (48, 438838), (51, 413024), (68, 309768), (96, 219419), (102, 206512), (136, 154884), (204, 103256), (272, 77442), (408, 51628), (544, 38721), (816, 25814), (1632, 12907)]