21931624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1058

約数の個数: 64

約数和(自身を含む): 50904000

約数和(自身を除く): 28972376

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 988, 1009, 1144, 1672, 1976, 2018, 2717, 4036, 5434, 8072, 10868, 11099, 13117, 19171, 21736, 22198, 26234, 38342, 44396, 52468, 76684, 88792, 104936, 144287, 153368, 210881, 249223, 288574, 421762, 498446, 577148, 843524, 996892, 1154296, 1687048, 1993784, 2741453, 5482906, 10965812, 21931624]

約数ペア:

[(1, 21931624), (2, 10965812), (4, 5482906), (8, 2741453), (11, 1993784), (13, 1687048), (19, 1154296), (22, 996892), (26, 843524), (38, 577148), (44, 498446), (52, 421762), (76, 288574), (88, 249223), (104, 210881), (143, 153368), (152, 144287), (209, 104936), (247, 88792), (286, 76684), (418, 52468), (494, 44396), (572, 38342), (836, 26234), (988, 22198), (1009, 21736), (1144, 19171), (1672, 13117), (1976, 11099), (2018, 10868), (2717, 8072), (4036, 5434)]