21584787

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 36099840

約数和(自身を除く): 14515053

約数列:

[1, 3, 7, 21, 23, 29, 67, 69, 87, 161, 201, 203, 469, 483, 529, 609, 667, 1407, 1541, 1587, 1943, 2001, 3703, 4623, 4669, 5829, 10787, 11109, 13601, 14007, 15341, 32361, 35443, 40803, 44689, 46023, 106329, 107387, 134067, 248101, 312823, 322161, 744303, 938469, 1027847, 3083541, 7194929, 21584787]

約数ペア:

[(1, 21584787), (3, 7194929), (7, 3083541), (21, 1027847), (23, 938469), (29, 744303), (67, 322161), (69, 312823), (87, 248101), (161, 134067), (201, 107387), (203, 106329), (469, 46023), (483, 44689), (529, 40803), (609, 35443), (667, 32361), (1407, 15341), (1541, 14007), (1587, 13601), (1943, 11109), (2001, 10787), (3703, 5829), (4623, 4669)]