21486941205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{17539}}^1$

素因数の和:17690

約数の個数: 64

約数和(自身を含む): 37098362880

約数和(自身を除く): 15611421675

約数列:

[1, 3, 5, 15, 23, 53, 67, 69, 115, 159, 201, 265, 335, 345, 795, 1005, 1219, 1541, 3551, 3657, 4623, 6095, 7705, 10653, 17539, 17755, 18285, 23115, 52617, 53265, 81673, 87695, 245019, 263085, 403397, 408365, 929567, 1175113, 1210191, 1225095, 2016985, 2788701, 3525339, 4647835, 5875565, 6050955, 13943505, 17626695, 21380041, 27027599, 62280989, 64140123, 81082797, 106900205, 135137995, 186842967, 311404945, 320700615, 405413985, 934214835, 1432462747, 4297388241, 7162313735, 21486941205]

約数ペア:

[(1, 21486941205), (3, 7162313735), (5, 4297388241), (15, 1432462747), (23, 934214835), (53, 405413985), (67, 320700615), (69, 311404945), (115, 186842967), (159, 135137995), (201, 106900205), (265, 81082797), (335, 64140123), (345, 62280989), (795, 27027599), (1005, 21380041), (1219, 17626695), (1541, 13943505), (3551, 6050955), (3657, 5875565), (4623, 4647835), (6095, 3525339), (7705, 2788701), (10653, 2016985), (17539, 1225095), (17755, 1210191), (18285, 1175113), (23115, 929567), (52617, 408365), (53265, 403397), (81673, 263085), (87695, 245019)]