21422272

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 56

約数和(自身を含む): 45516800

約数和(自身を除く): 24094528

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 152, 158, 223, 304, 316, 446, 608, 632, 892, 1216, 1264, 1501, 1784, 2528, 3002, 3568, 4237, 5056, 6004, 7136, 8474, 12008, 14272, 16948, 17617, 24016, 33896, 35234, 48032, 67792, 70468, 96064, 135584, 140936, 271168, 281872, 334723, 563744, 669446, 1127488, 1338892, 2677784, 5355568, 10711136, 21422272]

約数ペア:

[(1, 21422272), (2, 10711136), (4, 5355568), (8, 2677784), (16, 1338892), (19, 1127488), (32, 669446), (38, 563744), (64, 334723), (76, 281872), (79, 271168), (152, 140936), (158, 135584), (223, 96064), (304, 70468), (316, 67792), (446, 48032), (608, 35234), (632, 33896), (892, 24016), (1216, 17617), (1264, 16948), (1501, 14272), (1784, 12008), (2528, 8474), (3002, 7136), (3568, 6004), (4237, 5056)]