21531804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{8839}}^1$

素因数の和:8882

約数の個数: 48

約数和(自身を含む): 59404800

約数和(自身を除く): 37872996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 58, 84, 87, 116, 174, 203, 348, 406, 609, 812, 1218, 2436, 8839, 17678, 26517, 35356, 53034, 61873, 106068, 123746, 185619, 247492, 256331, 371238, 512662, 742476, 768993, 1025324, 1537986, 1794317, 3075972, 3588634, 5382951, 7177268, 10765902, 21531804]

約数ペア:

[(1, 21531804), (2, 10765902), (3, 7177268), (4, 5382951), (6, 3588634), (7, 3075972), (12, 1794317), (14, 1537986), (21, 1025324), (28, 768993), (29, 742476), (42, 512662), (58, 371238), (84, 256331), (87, 247492), (116, 185619), (174, 123746), (203, 106068), (348, 61873), (406, 53034), (609, 35356), (812, 26517), (1218, 17678), (2436, 8839)]