21207804971

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{4831}}^1$

素因数の和:5063

約数の個数: 32

約数和(自身を含む): 23512743936

約数和(自身を除く): 2304938965

約数列:

[1, 23, 31, 47, 131, 713, 1081, 1457, 3013, 4061, 4831, 6157, 33511, 93403, 111113, 141611, 149761, 190867, 227057, 632861, 3444503, 4389941, 5222311, 7038767, 14555803, 19618691, 29744467, 161891641, 451229893, 684122741, 922078477, 21207804971]

約数ペア:

[(1, 21207804971), (23, 922078477), (31, 684122741), (47, 451229893), (131, 161891641), (713, 29744467), (1081, 19618691), (1457, 14555803), (3013, 7038767), (4061, 5222311), (4831, 4389941), (6157, 3444503), (33511, 632861), (93403, 227057), (111113, 190867), (141611, 149761)]