21994248

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 58464000

約数和(自身を除く): 36469752

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 139, 152, 228, 278, 347, 417, 456, 556, 694, 834, 1041, 1112, 1388, 1668, 2082, 2641, 2776, 3336, 4164, 5282, 6593, 7923, 8328, 10564, 13186, 15846, 19779, 21128, 26372, 31692, 39558, 48233, 52744, 63384, 79116, 96466, 144699, 158232, 192932, 289398, 385864, 578796, 916427, 1157592, 1832854, 2749281, 3665708, 5498562, 7331416, 10997124, 21994248]

約数ペア:

[(1, 21994248), (2, 10997124), (3, 7331416), (4, 5498562), (6, 3665708), (8, 2749281), (12, 1832854), (19, 1157592), (24, 916427), (38, 578796), (57, 385864), (76, 289398), (114, 192932), (139, 158232), (152, 144699), (228, 96466), (278, 79116), (347, 63384), (417, 52744), (456, 48233), (556, 39558), (694, 31692), (834, 26372), (1041, 21128), (1112, 19779), (1388, 15846), (1668, 13186), (2082, 10564), (2641, 8328), (2776, 7923), (3336, 6593), (4164, 5282)]