21777724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 42688800

約数和(自身を除く): 20911076

約数列:

[1, 2, 4, 19, 29, 38, 41, 58, 76, 82, 116, 164, 241, 482, 551, 779, 964, 1102, 1189, 1558, 2204, 2378, 3116, 4579, 4756, 6989, 9158, 9881, 13978, 18316, 19762, 22591, 27956, 39524, 45182, 90364, 132791, 187739, 265582, 286549, 375478, 531164, 573098, 750956, 1146196, 5444431, 10888862, 21777724]

約数ペア:

[(1, 21777724), (2, 10888862), (4, 5444431), (19, 1146196), (29, 750956), (38, 573098), (41, 531164), (58, 375478), (76, 286549), (82, 265582), (116, 187739), (164, 132791), (241, 90364), (482, 45182), (551, 39524), (779, 27956), (964, 22591), (1102, 19762), (1189, 18316), (1558, 13978), (2204, 9881), (2378, 9158), (3116, 6989), (4579, 4756)]