21449968245

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2713}}^1\times {\mathrm{7639}}^1$

素因数の和:10386

約数の個数: 48

約数和(自身を含む): 38815845120

約数和(自身を除く): 17365876875

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 2713, 7639, 8139, 13565, 22917, 24417, 38195, 40695, 62399, 68751, 114585, 122085, 175697, 187197, 311995, 343755, 527091, 561591, 878485, 935985, 1581273, 2635455, 2807955, 7906365, 20724607, 62173821, 103623035, 186521463, 310869105, 476665961, 932607315, 1429997883, 2383329805, 4289993649, 7149989415, 21449968245]

約数ペア:

[(1, 21449968245), (3, 7149989415), (5, 4289993649), (9, 2383329805), (15, 1429997883), (23, 932607315), (45, 476665961), (69, 310869105), (115, 186521463), (207, 103623035), (345, 62173821), (1035, 20724607), (2713, 7906365), (7639, 2807955), (8139, 2635455), (13565, 1581273), (22917, 935985), (24417, 878485), (38195, 561591), (40695, 527091), (62399, 343755), (68751, 311995), (114585, 187197), (122085, 175697)]