21535168046

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{641}}^1$

素因数の和:1257

約数の個数: 64

約数和(自身を含む): 38091534336

約数和(自身を除く): 16556366290

約数列:

[1, 2, 7, 14, 71, 73, 142, 146, 463, 497, 511, 641, 926, 994, 1022, 1282, 3241, 4487, 5183, 6482, 8974, 10366, 32873, 33799, 36281, 45511, 46793, 65746, 67598, 72562, 91022, 93586, 230111, 236593, 296783, 318577, 327551, 460222, 473186, 593566, 637154, 655102, 2077481, 2399729, 3322303, 4154962, 4799458, 6644606, 16798103, 21071593, 21665159, 23256121, 33596206, 42143186, 43330318, 46512242, 147501151, 151656113, 295002302, 303312226, 1538226289, 3076452578, 10767584023, 21535168046]

約数ペア:

[(1, 21535168046), (2, 10767584023), (7, 3076452578), (14, 1538226289), (71, 303312226), (73, 295002302), (142, 151656113), (146, 147501151), (463, 46512242), (497, 43330318), (511, 42143186), (641, 33596206), (926, 23256121), (994, 21665159), (1022, 21071593), (1282, 16798103), (3241, 6644606), (4487, 4799458), (5183, 4154962), (6482, 3322303), (8974, 2399729), (10366, 2077481), (32873, 655102), (33799, 637154), (36281, 593566), (45511, 473186), (46793, 460222), (65746, 327551), (67598, 318577), (72562, 296783), (91022, 236593), (93586, 230111)]