21916520836

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{383}}^1\times {\mathrm{503}}^1$

素因数の和:1153

約数の個数: 96

約数和(自身を含む): 46820229120

約数和(自身を除く): 24903708284

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 239, 383, 476, 478, 503, 766, 956, 1006, 1532, 1673, 2012, 2681, 3346, 3521, 4063, 5362, 6511, 6692, 7042, 8126, 8551, 10724, 13022, 14084, 16252, 17102, 26044, 28441, 34204, 45577, 56882, 59857, 91154, 91537, 113764, 119714, 120217, 182308, 183074, 192649, 239428, 240434, 366148, 385298, 480868, 640759, 770596, 841519, 1281518, 1348543, 1556129, 1683038, 2043689, 2563036, 2697086, 3112258, 3275033, 3366076, 4087378, 5394172, 6224516, 6550066, 8174756, 10892903, 13100132, 14305823, 21785806, 22925231, 28611646, 43571612, 45850462, 46043111, 57223292, 91700924, 92086222, 184172444, 322301777, 644603554, 782732887, 1289207108, 1565465774, 3130931548, 5479130209, 10958260418, 21916520836]

約数ペア:

[(1, 21916520836), (2, 10958260418), (4, 5479130209), (7, 3130931548), (14, 1565465774), (17, 1289207108), (28, 782732887), (34, 644603554), (68, 322301777), (119, 184172444), (238, 92086222), (239, 91700924), (383, 57223292), (476, 46043111), (478, 45850462), (503, 43571612), (766, 28611646), (956, 22925231), (1006, 21785806), (1532, 14305823), (1673, 13100132), (2012, 10892903), (2681, 8174756), (3346, 6550066), (3521, 6224516), (4063, 5394172), (5362, 4087378), (6511, 3366076), (6692, 3275033), (7042, 3112258), (8126, 2697086), (8551, 2563036), (10724, 2043689), (13022, 1683038), (14084, 1556129), (16252, 1348543), (17102, 1281518), (26044, 841519), (28441, 770596), (34204, 640759), (45577, 480868), (56882, 385298), (59857, 366148), (91154, 240434), (91537, 239428), (113764, 192649), (119714, 183074), (120217, 182308)]