21641808

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 36854448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 53, 94, 106, 141, 159, 181, 188, 212, 282, 318, 362, 376, 424, 543, 564, 636, 724, 752, 848, 1086, 1128, 1272, 1448, 2172, 2256, 2491, 2544, 2896, 4344, 4982, 7473, 8507, 8688, 9593, 9964, 14946, 17014, 19186, 19928, 25521, 28779, 29892, 34028, 38372, 39856, 51042, 57558, 59784, 68056, 76744, 102084, 115116, 119568, 136112, 153488, 204168, 230232, 408336, 450871, 460464, 901742, 1352613, 1803484, 2705226, 3606968, 5410452, 7213936, 10820904, 21641808]

約数ペア:

[(1, 21641808), (2, 10820904), (3, 7213936), (4, 5410452), (6, 3606968), (8, 2705226), (12, 1803484), (16, 1352613), (24, 901742), (47, 460464), (48, 450871), (53, 408336), (94, 230232), (106, 204168), (141, 153488), (159, 136112), (181, 119568), (188, 115116), (212, 102084), (282, 76744), (318, 68056), (362, 59784), (376, 57558), (424, 51042), (543, 39856), (564, 38372), (636, 34028), (724, 29892), (752, 28779), (848, 25521), (1086, 19928), (1128, 19186), (1272, 17014), (1448, 14946), (2172, 9964), (2256, 9593), (2491, 8688), (2544, 8507), (2896, 7473), (4344, 4982)]