21767344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1013}}^1$

素因数の和:1117

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 23497616

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 79, 136, 158, 272, 316, 632, 1013, 1264, 1343, 2026, 2686, 4052, 5372, 8104, 10744, 16208, 17221, 21488, 34442, 68884, 80027, 137768, 160054, 275536, 320108, 640216, 1280432, 1360459, 2720918, 5441836, 10883672, 21767344]

約数ペア:

[(1, 21767344), (2, 10883672), (4, 5441836), (8, 2720918), (16, 1360459), (17, 1280432), (34, 640216), (68, 320108), (79, 275536), (136, 160054), (158, 137768), (272, 80027), (316, 68884), (632, 34442), (1013, 21488), (1264, 17221), (1343, 16208), (2026, 10744), (2686, 8104), (4052, 5372)]