21511968

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7727}}^1$

素因数の和:7769

約数の個数: 48

約数和(自身を含む): 58423680

約数和(自身を除く): 36911712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7727, 15454, 23181, 30908, 46362, 61816, 92724, 123632, 185448, 224083, 247264, 370896, 448166, 672249, 741792, 896332, 1344498, 1792664, 2688996, 3585328, 5377992, 7170656, 10755984, 21511968]

約数ペア:

[(1, 21511968), (2, 10755984), (3, 7170656), (4, 5377992), (6, 3585328), (8, 2688996), (12, 1792664), (16, 1344498), (24, 896332), (29, 741792), (32, 672249), (48, 448166), (58, 370896), (87, 247264), (96, 224083), (116, 185448), (174, 123632), (232, 92724), (348, 61816), (464, 46362), (696, 30908), (928, 23181), (1392, 15454), (2784, 7727)]