21770736

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 61246080

約数和(自身を除く): 39475344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 139, 156, 208, 251, 278, 312, 417, 502, 556, 624, 753, 834, 1004, 1112, 1506, 1668, 1807, 2008, 2224, 3012, 3263, 3336, 3614, 4016, 5421, 6024, 6526, 6672, 7228, 9789, 10842, 12048, 13052, 14456, 19578, 21684, 26104, 28912, 34889, 39156, 43368, 52208, 69778, 78312, 86736, 104667, 139556, 156624, 209334, 279112, 418668, 453557, 558224, 837336, 907114, 1360671, 1674672, 1814228, 2721342, 3628456, 5442684, 7256912, 10885368, 21770736]

約数ペア:

[(1, 21770736), (2, 10885368), (3, 7256912), (4, 5442684), (6, 3628456), (8, 2721342), (12, 1814228), (13, 1674672), (16, 1360671), (24, 907114), (26, 837336), (39, 558224), (48, 453557), (52, 418668), (78, 279112), (104, 209334), (139, 156624), (156, 139556), (208, 104667), (251, 86736), (278, 78312), (312, 69778), (417, 52208), (502, 43368), (556, 39156), (624, 34889), (753, 28912), (834, 26104), (1004, 21684), (1112, 19578), (1506, 14456), (1668, 13052), (1807, 12048), (2008, 10842), (2224, 9789), (3012, 7228), (3263, 6672), (3336, 6526), (3614, 6024), (4016, 5421)]