21844984

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 28555016

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 343, 392, 419, 532, 686, 838, 931, 1064, 1372, 1676, 1862, 2744, 2933, 3352, 3724, 5866, 6517, 7448, 7961, 11732, 13034, 15922, 20531, 23464, 26068, 31844, 41062, 52136, 55727, 63688, 82124, 111454, 143717, 164248, 222908, 287434, 390089, 445816, 574868, 780178, 1149736, 1560356, 2730623, 3120712, 5461246, 10922492, 21844984]

約数ペア:

[(1, 21844984), (2, 10922492), (4, 5461246), (7, 3120712), (8, 2730623), (14, 1560356), (19, 1149736), (28, 780178), (38, 574868), (49, 445816), (56, 390089), (76, 287434), (98, 222908), (133, 164248), (152, 143717), (196, 111454), (266, 82124), (343, 63688), (392, 55727), (419, 52136), (532, 41062), (686, 31844), (838, 26068), (931, 23464), (1064, 20531), (1372, 15922), (1676, 13034), (1862, 11732), (2744, 7961), (2933, 7448), (3352, 6517), (3724, 5866)]