21917488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 40

約数和(自身を含む): 47340720

約数和(自身を除く): 25423232

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 4241, 5168, 8482, 16964, 33928, 67856, 72097, 80579, 144194, 161158, 288388, 322316, 576776, 644632, 1153552, 1289264, 1369843, 2739686, 5479372, 10958744, 21917488]

約数ペア:

[(1, 21917488), (2, 10958744), (4, 5479372), (8, 2739686), (16, 1369843), (17, 1289264), (19, 1153552), (34, 644632), (38, 576776), (68, 322316), (76, 288388), (136, 161158), (152, 144194), (272, 80579), (304, 72097), (323, 67856), (646, 33928), (1292, 16964), (2584, 8482), (4241, 5168)]