21704992

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1231}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 24864608

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 76, 116, 152, 232, 304, 464, 551, 608, 928, 1102, 1231, 2204, 2462, 4408, 4924, 8816, 9848, 17632, 19696, 23389, 35699, 39392, 46778, 71398, 93556, 142796, 187112, 285592, 374224, 571184, 678281, 748448, 1142368, 1356562, 2713124, 5426248, 10852496, 21704992]

約数ペア:

[(1, 21704992), (2, 10852496), (4, 5426248), (8, 2713124), (16, 1356562), (19, 1142368), (29, 748448), (32, 678281), (38, 571184), (58, 374224), (76, 285592), (116, 187112), (152, 142796), (232, 93556), (304, 71398), (464, 46778), (551, 39392), (608, 35699), (928, 23389), (1102, 19696), (1231, 17632), (2204, 9848), (2462, 8816), (4408, 4924)]