21444228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{45821}}^1$

素因数の和:45844

約数の個数: 36

約数和(自身を含む): 58377228

約数和(自身を除く): 36933000

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 45821, 91642, 137463, 183284, 274926, 412389, 549852, 595673, 824778, 1191346, 1649556, 1787019, 2382692, 3574038, 5361057, 7148076, 10722114, 21444228]

約数ペア:

[(1, 21444228), (2, 10722114), (3, 7148076), (4, 5361057), (6, 3574038), (9, 2382692), (12, 1787019), (13, 1649556), (18, 1191346), (26, 824778), (36, 595673), (39, 549852), (52, 412389), (78, 274926), (117, 183284), (156, 137463), (234, 91642), (468, 45821)]