21744580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7636

約数の個数: 48

約数和(自身を含む): 53653824

約数和(自身を除く): 31909244

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 7603, 15206, 30412, 38015, 76030, 83633, 98839, 152060, 167266, 197678, 334532, 395356, 418165, 494195, 836330, 988390, 1087229, 1672660, 1976780, 2174458, 4348916, 5436145, 10872290, 21744580]

約数ペア:

[(1, 21744580), (2, 10872290), (4, 5436145), (5, 4348916), (10, 2174458), (11, 1976780), (13, 1672660), (20, 1087229), (22, 988390), (26, 836330), (44, 494195), (52, 418165), (55, 395356), (65, 334532), (110, 197678), (130, 167266), (143, 152060), (220, 98839), (260, 83633), (286, 76030), (572, 38015), (715, 30412), (1430, 15206), (2860, 7603)]