21799414

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 41713056

約数和(自身を除く): 19913642

約数列:

[1, 2, 7, 13, 14, 26, 49, 71, 91, 98, 142, 182, 241, 482, 497, 637, 923, 994, 1274, 1687, 1846, 3133, 3374, 3479, 6266, 6461, 6958, 11809, 12922, 17111, 21931, 23618, 34222, 43862, 45227, 90454, 119777, 153517, 222443, 239554, 307034, 444886, 838439, 1557101, 1676878, 3114202, 10899707, 21799414]

約数ペア:

[(1, 21799414), (2, 10899707), (7, 3114202), (13, 1676878), (14, 1557101), (26, 838439), (49, 444886), (71, 307034), (91, 239554), (98, 222443), (142, 153517), (182, 119777), (241, 90454), (482, 45227), (497, 43862), (637, 34222), (923, 23618), (994, 21931), (1274, 17111), (1687, 12922), (1846, 11809), (3133, 6958), (3374, 6461), (3479, 6266)]