21000882825

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2393263}}^1$

素因数の和:2393295

約数の個数: 48

約数和(自身を含む): 41547063040

約数和(自身を除く): 20546180215

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2925, 8775, 2393263, 7179789, 11966315, 21539367, 31112419, 35898945, 59831575, 64618101, 93337257, 107696835, 155562095, 179494725, 280011771, 323090505, 466686285, 538484175, 777810475, 840035313, 1400058855, 1615452525, 2333431425, 4200176565, 7000294275, 21000882825]

約数ペア:

[(1, 21000882825), (3, 7000294275), (5, 4200176565), (9, 2333431425), (13, 1615452525), (15, 1400058855), (25, 840035313), (27, 777810475), (39, 538484175), (45, 466686285), (65, 323090505), (75, 280011771), (117, 179494725), (135, 155562095), (195, 107696835), (225, 93337257), (325, 64618101), (351, 59831575), (585, 35898945), (675, 31112419), (975, 21539367), (1755, 11966315), (2925, 7179789), (8775, 2393263)]