21948750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{1951}}^1$

素因数の和:1979

約数の個数: 60

約数和(自身を含む): 59455968

約数和(自身を除く): 37507218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1875, 1951, 2250, 3750, 3902, 5625, 5853, 9755, 11250, 11706, 17559, 19510, 29265, 35118, 48775, 58530, 87795, 97550, 146325, 175590, 243875, 292650, 438975, 487750, 731625, 877950, 1219375, 1463250, 2194875, 2438750, 3658125, 4389750, 7316250, 10974375, 21948750]

約数ペア:

[(1, 21948750), (2, 10974375), (3, 7316250), (5, 4389750), (6, 3658125), (9, 2438750), (10, 2194875), (15, 1463250), (18, 1219375), (25, 877950), (30, 731625), (45, 487750), (50, 438975), (75, 292650), (90, 243875), (125, 175590), (150, 146325), (225, 97550), (250, 87795), (375, 58530), (450, 48775), (625, 35118), (750, 29265), (1125, 19510), (1250, 17559), (1875, 11706), (1951, 11250), (2250, 9755), (3750, 5853), (3902, 5625)]