21671880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{3061}}^1$

素因数の和:3134

約数の個数: 64

約数和(自身を含む): 66139200

約数和(自身を除く): 44467320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 3061, 3540, 6122, 7080, 9183, 12244, 15305, 18366, 24488, 30610, 36732, 45915, 61220, 73464, 91830, 122440, 180599, 183660, 361198, 367320, 541797, 722396, 902995, 1083594, 1444792, 1805990, 2167188, 2708985, 3611980, 4334376, 5417970, 7223960, 10835940, 21671880]

約数ペア:

[(1, 21671880), (2, 10835940), (3, 7223960), (4, 5417970), (5, 4334376), (6, 3611980), (8, 2708985), (10, 2167188), (12, 1805990), (15, 1444792), (20, 1083594), (24, 902995), (30, 722396), (40, 541797), (59, 367320), (60, 361198), (118, 183660), (120, 180599), (177, 122440), (236, 91830), (295, 73464), (354, 61220), (472, 45915), (590, 36732), (708, 30610), (885, 24488), (1180, 18366), (1416, 15305), (1770, 12244), (2360, 9183), (3061, 7080), (3540, 6122)]