21587976

素因数分解:

$2^3\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39738744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 41, 71, 72, 82, 103, 123, 142, 164, 206, 213, 246, 284, 309, 328, 369, 412, 426, 492, 568, 618, 639, 738, 824, 852, 927, 984, 1236, 1278, 1476, 1704, 1854, 2472, 2556, 2911, 2952, 3708, 4223, 5112, 5822, 7313, 7416, 8446, 8733, 11644, 12669, 14626, 16892, 17466, 21939, 23288, 25338, 26199, 29252, 33784, 34932, 38007, 43878, 50676, 52398, 58504, 65817, 69864, 76014, 87756, 101352, 104796, 131634, 152028, 175512, 209592, 263268, 299833, 304056, 526536, 599666, 899499, 1199332, 1798998, 2398664, 2698497, 3597996, 5396994, 7195992, 10793988, 21587976]

約数ペア:

[(1, 21587976), (2, 10793988), (3, 7195992), (4, 5396994), (6, 3597996), (8, 2698497), (9, 2398664), (12, 1798998), (18, 1199332), (24, 899499), (36, 599666), (41, 526536), (71, 304056), (72, 299833), (82, 263268), (103, 209592), (123, 175512), (142, 152028), (164, 131634), (206, 104796), (213, 101352), (246, 87756), (284, 76014), (309, 69864), (328, 65817), (369, 58504), (412, 52398), (426, 50676), (492, 43878), (568, 38007), (618, 34932), (639, 33784), (738, 29252), (824, 26199), (852, 25338), (927, 23288), (984, 21939), (1236, 17466), (1278, 16892), (1476, 14626), (1704, 12669), (1854, 11644), (2472, 8733), (2556, 8446), (2911, 7416), (2952, 7313), (3708, 5822), (4223, 5112)]