21741304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{599}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 44100000

約数和(自身を除く): 22358696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 349, 599, 698, 1198, 1396, 2396, 2792, 4537, 4792, 7787, 9074, 15574, 18148, 31148, 36296, 62296, 209051, 418102, 836204, 1672408, 2717663, 5435326, 10870652, 21741304]

約数ペア:

[(1, 21741304), (2, 10870652), (4, 5435326), (8, 2717663), (13, 1672408), (26, 836204), (52, 418102), (104, 209051), (349, 62296), (599, 36296), (698, 31148), (1198, 18148), (1396, 15574), (2396, 9074), (2792, 7787), (4537, 4792)]