21869964

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 58767072

約数和(自身を除く): 36897108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 61, 69, 92, 122, 138, 183, 207, 244, 276, 366, 414, 433, 549, 732, 828, 866, 1098, 1299, 1403, 1732, 2196, 2598, 2806, 3897, 4209, 5196, 5612, 7794, 8418, 9959, 12627, 15588, 16836, 19918, 25254, 26413, 29877, 39836, 50508, 52826, 59754, 79239, 89631, 105652, 119508, 158478, 179262, 237717, 316956, 358524, 475434, 607499, 950868, 1214998, 1822497, 2429996, 3644994, 5467491, 7289988, 10934982, 21869964]

約数ペア:

[(1, 21869964), (2, 10934982), (3, 7289988), (4, 5467491), (6, 3644994), (9, 2429996), (12, 1822497), (18, 1214998), (23, 950868), (36, 607499), (46, 475434), (61, 358524), (69, 316956), (92, 237717), (122, 179262), (138, 158478), (183, 119508), (207, 105652), (244, 89631), (276, 79239), (366, 59754), (414, 52826), (433, 50508), (549, 39836), (732, 29877), (828, 26413), (866, 25254), (1098, 19918), (1299, 16836), (1403, 15588), (1732, 12627), (2196, 9959), (2598, 8418), (2806, 7794), (3897, 5612), (4209, 5196)]