21724272

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2557}}^1$

素因数の和:2630

約数の個数: 60

約数和(自身を含む): 61852440

約数和(自身を除く): 40128168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2557, 2832, 4248, 5114, 7671, 8496, 10228, 15342, 20456, 23013, 30684, 40912, 46026, 61368, 92052, 122736, 150863, 184104, 301726, 368208, 452589, 603452, 905178, 1206904, 1357767, 1810356, 2413808, 2715534, 3620712, 5431068, 7241424, 10862136, 21724272]

約数ペア:

[(1, 21724272), (2, 10862136), (3, 7241424), (4, 5431068), (6, 3620712), (8, 2715534), (9, 2413808), (12, 1810356), (16, 1357767), (18, 1206904), (24, 905178), (36, 603452), (48, 452589), (59, 368208), (72, 301726), (118, 184104), (144, 150863), (177, 122736), (236, 92052), (354, 61368), (472, 46026), (531, 40912), (708, 30684), (944, 23013), (1062, 20456), (1416, 15342), (2124, 10228), (2557, 8496), (2832, 7671), (4248, 5114)]