21479880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9421}}^1$

素因数の和:9454

約数の個数: 64

約数和(自身を含む): 67838400

約数和(自身を除く): 46358520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 9421, 18842, 28263, 37684, 47105, 56526, 75368, 94210, 113052, 141315, 178999, 188420, 226104, 282630, 357998, 376840, 536997, 565260, 715996, 894995, 1073994, 1130520, 1431992, 1789990, 2147988, 2684985, 3579980, 4295976, 5369970, 7159960, 10739940, 21479880]

約数ペア:

[(1, 21479880), (2, 10739940), (3, 7159960), (4, 5369970), (5, 4295976), (6, 3579980), (8, 2684985), (10, 2147988), (12, 1789990), (15, 1431992), (19, 1130520), (20, 1073994), (24, 894995), (30, 715996), (38, 565260), (40, 536997), (57, 376840), (60, 357998), (76, 282630), (95, 226104), (114, 188420), (120, 178999), (152, 141315), (190, 113052), (228, 94210), (285, 75368), (380, 56526), (456, 47105), (570, 37684), (760, 28263), (1140, 18842), (2280, 9421)]