21592260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1017

約数の個数: 72

約数和(自身を含む): 66044160

約数和(自身を除く): 44451900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 863, 1251, 1390, 1668, 1726, 2085, 2502, 2589, 2780, 3452, 4170, 4315, 5004, 5178, 6255, 7767, 8340, 8630, 10356, 12510, 12945, 15534, 17260, 25020, 25890, 31068, 38835, 51780, 77670, 119957, 155340, 239914, 359871, 479828, 599785, 719742, 1079613, 1199570, 1439484, 1799355, 2159226, 2399140, 3598710, 4318452, 5398065, 7197420, 10796130, 21592260]

約数ペア:

[(1, 21592260), (2, 10796130), (3, 7197420), (4, 5398065), (5, 4318452), (6, 3598710), (9, 2399140), (10, 2159226), (12, 1799355), (15, 1439484), (18, 1199570), (20, 1079613), (30, 719742), (36, 599785), (45, 479828), (60, 359871), (90, 239914), (139, 155340), (180, 119957), (278, 77670), (417, 51780), (556, 38835), (695, 31068), (834, 25890), (863, 25020), (1251, 17260), (1390, 15534), (1668, 12945), (1726, 12510), (2085, 10356), (2502, 8630), (2589, 8340), (2780, 7767), (3452, 6255), (4170, 5178), (4315, 5004)]