21000455508

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{3931}}^1\times {\mathrm{23431}}^1$

素因数の和:27388

約数の個数: 48

約数和(自身を含む): 51595389440

約数和(自身を除く): 30594933932

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 3931, 7862, 11793, 15724, 23431, 23586, 46862, 47172, 70293, 74689, 93724, 140586, 149378, 224067, 281172, 298756, 445189, 448134, 890378, 896268, 1335567, 1780756, 2671134, 5342268, 92107261, 184214522, 276321783, 368429044, 552643566, 1105287132, 1750037959, 3500075918, 5250113877, 7000151836, 10500227754, 21000455508]

約数ペア:

[(1, 21000455508), (2, 10500227754), (3, 7000151836), (4, 5250113877), (6, 3500075918), (12, 1750037959), (19, 1105287132), (38, 552643566), (57, 368429044), (76, 276321783), (114, 184214522), (228, 92107261), (3931, 5342268), (7862, 2671134), (11793, 1780756), (15724, 1335567), (23431, 896268), (23586, 890378), (46862, 448134), (47172, 445189), (70293, 298756), (74689, 281172), (93724, 224067), (140586, 149378)]