21399750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9511}}^1$

素因数の和:9534

約数の個数: 48

約数和(自身を含む): 57871008

約数和(自身を除く): 36471258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 9511, 19022, 28533, 47555, 57066, 85599, 95110, 142665, 171198, 237775, 285330, 427995, 475550, 713325, 855990, 1188875, 1426650, 2139975, 2377750, 3566625, 4279950, 7133250, 10699875, 21399750]

約数ペア:

[(1, 21399750), (2, 10699875), (3, 7133250), (5, 4279950), (6, 3566625), (9, 2377750), (10, 2139975), (15, 1426650), (18, 1188875), (25, 855990), (30, 713325), (45, 475550), (50, 427995), (75, 285330), (90, 237775), (125, 171198), (150, 142665), (225, 95110), (250, 85599), (375, 57066), (450, 47555), (750, 28533), (1125, 19022), (2250, 9511)]