21207504

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7243}}^1$

素因数の和:7315

約数の個数: 40

約数和(自身を含む): 55691872

約数和(自身を除く): 34484368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7243, 14486, 21729, 28972, 43458, 57944, 86916, 115888, 173832, 347664, 441823, 883646, 1325469, 1767292, 2650938, 3534584, 5301876, 7069168, 10603752, 21207504]

約数ペア:

[(1, 21207504), (2, 10603752), (3, 7069168), (4, 5301876), (6, 3534584), (8, 2650938), (12, 1767292), (16, 1325469), (24, 883646), (48, 441823), (61, 347664), (122, 173832), (183, 115888), (244, 86916), (366, 57944), (488, 43458), (732, 28972), (976, 21729), (1464, 14486), (2928, 7243)]