21885108

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 61264896

約数和(自身を除く): 39379788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 73, 83, 84, 86, 129, 146, 166, 172, 219, 249, 258, 292, 301, 332, 438, 498, 511, 516, 581, 602, 876, 903, 996, 1022, 1162, 1204, 1533, 1743, 1806, 2044, 2324, 3066, 3139, 3486, 3569, 3612, 6059, 6132, 6278, 6972, 7138, 9417, 10707, 12118, 12556, 14276, 18177, 18834, 21414, 21973, 24236, 24983, 36354, 37668, 42413, 42828, 43946, 49966, 65919, 72708, 74949, 84826, 87892, 99932, 127239, 131838, 149898, 169652, 254478, 260537, 263676, 299796, 508956, 521074, 781611, 1042148, 1563222, 1823759, 3126444, 3647518, 5471277, 7295036, 10942554, 21885108]

約数ペア:

[(1, 21885108), (2, 10942554), (3, 7295036), (4, 5471277), (6, 3647518), (7, 3126444), (12, 1823759), (14, 1563222), (21, 1042148), (28, 781611), (42, 521074), (43, 508956), (73, 299796), (83, 263676), (84, 260537), (86, 254478), (129, 169652), (146, 149898), (166, 131838), (172, 127239), (219, 99932), (249, 87892), (258, 84826), (292, 74949), (301, 72708), (332, 65919), (438, 49966), (498, 43946), (511, 42828), (516, 42413), (581, 37668), (602, 36354), (876, 24983), (903, 24236), (996, 21973), (1022, 21414), (1162, 18834), (1204, 18177), (1533, 14276), (1743, 12556), (1806, 12118), (2044, 10707), (2324, 9417), (3066, 7138), (3139, 6972), (3486, 6278), (3569, 6132), (3612, 6059)]