21527625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 41932800

約数和(自身を除く): 20405175

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 59, 75, 105, 125, 139, 175, 177, 295, 375, 413, 417, 525, 695, 875, 885, 973, 1239, 1475, 2065, 2085, 2625, 2919, 3475, 4425, 4865, 6195, 7375, 8201, 10325, 10425, 14595, 17375, 22125, 24325, 24603, 30975, 41005, 51625, 52125, 57407, 72975, 121625, 123015, 154875, 172221, 205025, 287035, 364875, 615075, 861105, 1025125, 1435175, 3075375, 4305525, 7175875, 21527625]

約数ペア:

[(1, 21527625), (3, 7175875), (5, 4305525), (7, 3075375), (15, 1435175), (21, 1025125), (25, 861105), (35, 615075), (59, 364875), (75, 287035), (105, 205025), (125, 172221), (139, 154875), (175, 123015), (177, 121625), (295, 72975), (375, 57407), (413, 52125), (417, 51625), (525, 41005), (695, 30975), (875, 24603), (885, 24325), (973, 22125), (1239, 17375), (1475, 14595), (2065, 10425), (2085, 10325), (2625, 8201), (2919, 7375), (3475, 6195), (4425, 4865)]