21841812

素因数分解:

$2^2\times 3^5\times {\mathrm{23}}^1\times {\mathrm{977}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 59806656

約数和(自身を除く): 37964844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 81, 92, 108, 138, 162, 207, 243, 276, 324, 414, 486, 621, 828, 972, 977, 1242, 1863, 1954, 2484, 2931, 3726, 3908, 5589, 5862, 7452, 8793, 11178, 11724, 17586, 22356, 22471, 26379, 35172, 44942, 52758, 67413, 79137, 89884, 105516, 134826, 158274, 202239, 237411, 269652, 316548, 404478, 474822, 606717, 808956, 949644, 1213434, 1820151, 2426868, 3640302, 5460453, 7280604, 10920906, 21841812]

約数ペア:

[(1, 21841812), (2, 10920906), (3, 7280604), (4, 5460453), (6, 3640302), (9, 2426868), (12, 1820151), (18, 1213434), (23, 949644), (27, 808956), (36, 606717), (46, 474822), (54, 404478), (69, 316548), (81, 269652), (92, 237411), (108, 202239), (138, 158274), (162, 134826), (207, 105516), (243, 89884), (276, 79137), (324, 67413), (414, 52758), (486, 44942), (621, 35172), (828, 26379), (972, 22471), (977, 22356), (1242, 17586), (1863, 11724), (1954, 11178), (2484, 8793), (2931, 7452), (3726, 5862), (3908, 5589)]