21234704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1$

素因数の和:3087

約数の個数: 40

約数和(自身を含む): 45205440

約数和(自身を除く): 23970736

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 874, 1748, 3037, 3496, 6074, 6992, 12148, 24296, 48592, 57703, 69851, 115406, 139702, 230812, 279404, 461624, 558808, 923248, 1117616, 1327169, 2654338, 5308676, 10617352, 21234704]

約数ペア:

[(1, 21234704), (2, 10617352), (4, 5308676), (8, 2654338), (16, 1327169), (19, 1117616), (23, 923248), (38, 558808), (46, 461624), (76, 279404), (92, 230812), (152, 139702), (184, 115406), (304, 69851), (368, 57703), (437, 48592), (874, 24296), (1748, 12148), (3037, 6992), (3496, 6074)]