21981876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1567}}^1$

素因数の和:1748

約数の個数: 48

約数和(自身を含む): 59006976

約数和(自身を除く): 37025100

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 167, 334, 501, 668, 1002, 1169, 1567, 2004, 2338, 3134, 3507, 4676, 4701, 6268, 7014, 9402, 10969, 14028, 18804, 21938, 32907, 43876, 65814, 131628, 261689, 523378, 785067, 1046756, 1570134, 1831823, 3140268, 3663646, 5495469, 7327292, 10990938, 21981876]

約数ペア:

[(1, 21981876), (2, 10990938), (3, 7327292), (4, 5495469), (6, 3663646), (7, 3140268), (12, 1831823), (14, 1570134), (21, 1046756), (28, 785067), (42, 523378), (84, 261689), (167, 131628), (334, 65814), (501, 43876), (668, 32907), (1002, 21938), (1169, 18804), (1567, 14028), (2004, 10969), (2338, 9402), (3134, 7014), (3507, 6268), (4676, 4701)]