21431250

素因数分解:

$2^1\times 3^3\times 5^5\times {\mathrm{127}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 38564910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 125, 127, 135, 150, 225, 250, 254, 270, 375, 381, 450, 625, 635, 675, 750, 762, 1125, 1143, 1250, 1270, 1350, 1875, 1905, 2250, 2286, 3125, 3175, 3375, 3429, 3750, 3810, 5625, 5715, 6250, 6350, 6750, 6858, 9375, 9525, 11250, 11430, 15875, 16875, 17145, 18750, 19050, 28125, 28575, 31750, 33750, 34290, 47625, 56250, 57150, 79375, 84375, 85725, 95250, 142875, 158750, 168750, 171450, 238125, 285750, 396875, 428625, 476250, 714375, 793750, 857250, 1190625, 1428750, 2143125, 2381250, 3571875, 4286250, 7143750, 10715625, 21431250]

約数ペア:

[(1, 21431250), (2, 10715625), (3, 7143750), (5, 4286250), (6, 3571875), (9, 2381250), (10, 2143125), (15, 1428750), (18, 1190625), (25, 857250), (27, 793750), (30, 714375), (45, 476250), (50, 428625), (54, 396875), (75, 285750), (90, 238125), (125, 171450), (127, 168750), (135, 158750), (150, 142875), (225, 95250), (250, 85725), (254, 84375), (270, 79375), (375, 57150), (381, 56250), (450, 47625), (625, 34290), (635, 33750), (675, 31750), (750, 28575), (762, 28125), (1125, 19050), (1143, 18750), (1250, 17145), (1270, 16875), (1350, 15875), (1875, 11430), (1905, 11250), (2250, 9525), (2286, 9375), (3125, 6858), (3175, 6750), (3375, 6350), (3429, 6250), (3750, 5715), (3810, 5625)]