21993374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^2$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 37575720

約数和(自身を除く): 15582346

約数列:

[1, 2, 13, 19, 26, 38, 211, 247, 422, 494, 2743, 4009, 5486, 8018, 44521, 52117, 89042, 104234, 578773, 845899, 1157546, 1691798, 10996687, 21993374]

約数ペア:

[(1, 21993374), (2, 10996687), (13, 1691798), (19, 1157546), (26, 845899), (38, 578773), (211, 104234), (247, 89042), (422, 52117), (494, 44521), (2743, 8018), (4009, 5486)]