21129750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9391}}^1$

素因数の和:9414

約数の個数: 48

約数和(自身を含む): 57140928

約数和(自身を除く): 36011178

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, 9391, 18782, 28173, 46955, 56346, 84519, 93910, 140865, 169038, 234775, 281730, 422595, 469550, 704325, 845190, 1173875, 1408650, 2112975, 2347750, 3521625, 4225950, 7043250, 10564875, 21129750]

約数ペア:

[(1, 21129750), (2, 10564875), (3, 7043250), (5, 4225950), (6, 3521625), (9, 2347750), (10, 2112975), (15, 1408650), (18, 1173875), (25, 845190), (30, 704325), (45, 469550), (50, 422595), (75, 281730), (90, 234775), (125, 169038), (150, 140865), (225, 93910), (250, 84519), (375, 56346), (450, 46955), (750, 28173), (1125, 18782), (2250, 9391)]