21527712

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{4397}}^1$

素因数の和:4430

約数の個数: 72

約数和(自身を含む): 64835316

約数和(自身を除く): 43307604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 68, 72, 96, 102, 136, 144, 153, 204, 272, 288, 306, 408, 544, 612, 816, 1224, 1632, 2448, 4397, 4896, 8794, 13191, 17588, 26382, 35176, 39573, 52764, 70352, 74749, 79146, 105528, 140704, 149498, 158292, 211056, 224247, 298996, 316584, 422112, 448494, 597992, 633168, 672741, 896988, 1195984, 1266336, 1345482, 1793976, 2391968, 2690964, 3587952, 5381928, 7175904, 10763856, 21527712]

約数ペア:

[(1, 21527712), (2, 10763856), (3, 7175904), (4, 5381928), (6, 3587952), (8, 2690964), (9, 2391968), (12, 1793976), (16, 1345482), (17, 1266336), (18, 1195984), (24, 896988), (32, 672741), (34, 633168), (36, 597992), (48, 448494), (51, 422112), (68, 316584), (72, 298996), (96, 224247), (102, 211056), (136, 158292), (144, 149498), (153, 140704), (204, 105528), (272, 79146), (288, 74749), (306, 70352), (408, 52764), (544, 39573), (612, 35176), (816, 26382), (1224, 17588), (1632, 13191), (2448, 8794), (4397, 4896)]