21446028

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 57657600

約数和(自身を除く): 36211572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 414, 439, 531, 708, 828, 878, 1062, 1317, 1357, 1756, 2124, 2634, 2714, 3951, 4071, 5268, 5428, 7902, 8142, 10097, 12213, 15804, 16284, 20194, 24426, 25901, 30291, 40388, 48852, 51802, 60582, 77703, 90873, 103604, 121164, 155406, 181746, 233109, 310812, 363492, 466218, 595723, 932436, 1191446, 1787169, 2382892, 3574338, 5361507, 7148676, 10723014, 21446028]

約数ペア:

[(1, 21446028), (2, 10723014), (3, 7148676), (4, 5361507), (6, 3574338), (9, 2382892), (12, 1787169), (18, 1191446), (23, 932436), (36, 595723), (46, 466218), (59, 363492), (69, 310812), (92, 233109), (118, 181746), (138, 155406), (177, 121164), (207, 103604), (236, 90873), (276, 77703), (354, 60582), (414, 51802), (439, 48852), (531, 40388), (708, 30291), (828, 25901), (878, 24426), (1062, 20194), (1317, 16284), (1357, 15804), (1756, 12213), (2124, 10097), (2634, 8142), (2714, 7902), (3951, 5428), (4071, 5268)]