21000314595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{20051}}^1$

素因数の和:20244

約数の個数: 64

約数和(自身を含む): 37352544768

約数和(自身を除く): 16352230173

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 131, 195, 205, 393, 533, 615, 655, 1599, 1703, 1965, 2665, 5109, 5371, 7995, 8515, 16113, 20051, 25545, 26855, 60153, 69823, 80565, 100255, 209469, 260663, 300765, 349115, 781989, 822091, 1047345, 1303315, 2466273, 2626681, 3909945, 4110455, 7880043, 10687183, 12331365, 13133405, 32061549, 34146853, 39400215, 53435915, 102440559, 107693921, 160307745, 170734265, 323081763, 512202795, 538469605, 1400020973, 1615408815, 4200062919, 7000104865, 21000314595]

約数ペア:

[(1, 21000314595), (3, 7000104865), (5, 4200062919), (13, 1615408815), (15, 1400020973), (39, 538469605), (41, 512202795), (65, 323081763), (123, 170734265), (131, 160307745), (195, 107693921), (205, 102440559), (393, 53435915), (533, 39400215), (615, 34146853), (655, 32061549), (1599, 13133405), (1703, 12331365), (1965, 10687183), (2665, 7880043), (5109, 4110455), (5371, 3909945), (7995, 2626681), (8515, 2466273), (16113, 1303315), (20051, 1047345), (25545, 822091), (26855, 781989), (60153, 349115), (69823, 300765), (80565, 260663), (100255, 209469)]