21293250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 60652800

約数和(自身を除く): 39359550

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 29, 30, 33, 50, 55, 58, 66, 75, 87, 89, 110, 125, 145, 150, 165, 174, 178, 250, 267, 275, 290, 319, 330, 375, 435, 445, 534, 550, 638, 725, 750, 825, 870, 890, 957, 979, 1335, 1375, 1450, 1595, 1650, 1914, 1958, 2175, 2225, 2581, 2670, 2750, 2937, 3190, 3625, 4125, 4350, 4450, 4785, 4895, 5162, 5874, 6675, 7250, 7743, 7975, 8250, 9570, 9790, 10875, 11125, 12905, 13350, 14685, 15486, 15950, 21750, 22250, 23925, 24475, 25810, 28391, 29370, 33375, 38715, 39875, 47850, 48950, 56782, 64525, 66750, 73425, 77430, 79750, 85173, 119625, 122375, 129050, 141955, 146850, 170346, 193575, 239250, 244750, 283910, 322625, 367125, 387150, 425865, 645250, 709775, 734250, 851730, 967875, 1419550, 1935750, 2129325, 3548875, 4258650, 7097750, 10646625, 21293250]

約数ペア:

[(1, 21293250), (2, 10646625), (3, 7097750), (5, 4258650), (6, 3548875), (10, 2129325), (11, 1935750), (15, 1419550), (22, 967875), (25, 851730), (29, 734250), (30, 709775), (33, 645250), (50, 425865), (55, 387150), (58, 367125), (66, 322625), (75, 283910), (87, 244750), (89, 239250), (110, 193575), (125, 170346), (145, 146850), (150, 141955), (165, 129050), (174, 122375), (178, 119625), (250, 85173), (267, 79750), (275, 77430), (290, 73425), (319, 66750), (330, 64525), (375, 56782), (435, 48950), (445, 47850), (534, 39875), (550, 38715), (638, 33375), (725, 29370), (750, 28391), (825, 25810), (870, 24475), (890, 23925), (957, 22250), (979, 21750), (1335, 15950), (1375, 15486), (1450, 14685), (1595, 13350), (1650, 12905), (1914, 11125), (1958, 10875), (2175, 9790), (2225, 9570), (2581, 8250), (2670, 7975), (2750, 7743), (2937, 7250), (3190, 6675), (3625, 5874), (4125, 5162), (4350, 4895), (4450, 4785)]