21623796

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:513

約数の個数: 72

約数和(自身を含む): 58673160

約数和(自身を除く): 37049364

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 89, 102, 153, 178, 204, 267, 306, 356, 397, 534, 612, 794, 801, 1068, 1191, 1513, 1588, 1602, 2382, 3026, 3204, 3573, 4539, 4764, 6052, 6749, 7146, 9078, 13498, 13617, 14292, 18156, 20247, 26996, 27234, 35333, 40494, 54468, 60741, 70666, 80988, 105999, 121482, 141332, 211998, 242964, 317997, 423996, 600661, 635994, 1201322, 1271988, 1801983, 2402644, 3603966, 5405949, 7207932, 10811898, 21623796]

約数ペア:

[(1, 21623796), (2, 10811898), (3, 7207932), (4, 5405949), (6, 3603966), (9, 2402644), (12, 1801983), (17, 1271988), (18, 1201322), (34, 635994), (36, 600661), (51, 423996), (68, 317997), (89, 242964), (102, 211998), (153, 141332), (178, 121482), (204, 105999), (267, 80988), (306, 70666), (356, 60741), (397, 54468), (534, 40494), (612, 35333), (794, 27234), (801, 26996), (1068, 20247), (1191, 18156), (1513, 14292), (1588, 13617), (1602, 13498), (2382, 9078), (3026, 7146), (3204, 6749), (3573, 6052), (4539, 4764)]