21032012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 19825588

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 79, 113, 124, 158, 226, 316, 452, 589, 1178, 1501, 2147, 2356, 2449, 3002, 3503, 4294, 4898, 6004, 7006, 8588, 8927, 9796, 14012, 17854, 35708, 46531, 66557, 93062, 133114, 169613, 186124, 266228, 276737, 339226, 553474, 678452, 1106948, 5258003, 10516006, 21032012]

約数ペア:

[(1, 21032012), (2, 10516006), (4, 5258003), (19, 1106948), (31, 678452), (38, 553474), (62, 339226), (76, 276737), (79, 266228), (113, 186124), (124, 169613), (158, 133114), (226, 93062), (316, 66557), (452, 46531), (589, 35708), (1178, 17854), (1501, 14012), (2147, 9796), (2356, 8927), (2449, 8588), (3002, 7006), (3503, 6004), (4294, 4898)]