21358964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 23093836

約数列:

[1, 2, 4, 11, 19, 22, 29, 38, 44, 58, 76, 116, 209, 319, 418, 551, 638, 836, 881, 1102, 1276, 1762, 2204, 3524, 6061, 9691, 12122, 16739, 19382, 24244, 25549, 33478, 38764, 51098, 66956, 102196, 184129, 281039, 368258, 485431, 562078, 736516, 970862, 1124156, 1941724, 5339741, 10679482, 21358964]

約数ペア:

[(1, 21358964), (2, 10679482), (4, 5339741), (11, 1941724), (19, 1124156), (22, 970862), (29, 736516), (38, 562078), (44, 485431), (58, 368258), (76, 281039), (116, 184129), (209, 102196), (319, 66956), (418, 51098), (551, 38764), (638, 33478), (836, 25549), (881, 24244), (1102, 19382), (1276, 16739), (1762, 12122), (2204, 9691), (3524, 6061)]