22721036

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 47653200

約数和(自身を除く): 24932164

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 61, 76, 116, 122, 169, 244, 247, 338, 377, 494, 551, 676, 754, 793, 988, 1102, 1159, 1508, 1586, 1769, 2204, 2318, 3172, 3211, 3538, 4636, 4901, 6422, 7076, 7163, 9802, 10309, 12844, 14326, 15067, 19604, 20618, 22997, 28652, 30134, 33611, 41236, 45994, 60268, 67222, 91988, 93119, 134444, 186238, 195871, 298961, 372476, 391742, 436943, 597922, 783484, 873886, 1195844, 1747772, 5680259, 11360518, 22721036]

約数ペア:

[(1, 22721036), (2, 11360518), (4, 5680259), (13, 1747772), (19, 1195844), (26, 873886), (29, 783484), (38, 597922), (52, 436943), (58, 391742), (61, 372476), (76, 298961), (116, 195871), (122, 186238), (169, 134444), (244, 93119), (247, 91988), (338, 67222), (377, 60268), (494, 45994), (551, 41236), (676, 33611), (754, 30134), (793, 28652), (988, 22997), (1102, 20618), (1159, 19604), (1508, 15067), (1586, 14326), (1769, 12844), (2204, 10309), (2318, 9802), (3172, 7163), (3211, 7076), (3538, 6422), (4636, 4901)]