21120750

素因数分解:

$2^1\times 3^4\times 5^3\times 7^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 160

約数和(自身を含む): 67953600

約数和(自身を除く): 46832850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 125, 126, 135, 149, 150, 162, 175, 189, 210, 225, 250, 270, 298, 315, 350, 375, 378, 405, 447, 450, 525, 567, 630, 675, 745, 750, 810, 875, 894, 945, 1043, 1050, 1125, 1134, 1341, 1350, 1490, 1575, 1750, 1890, 2025, 2086, 2235, 2250, 2625, 2682, 2835, 3129, 3150, 3375, 3725, 4023, 4050, 4470, 4725, 5215, 5250, 5670, 6258, 6705, 6750, 7450, 7875, 8046, 9387, 9450, 10125, 10430, 11175, 12069, 13410, 14175, 15645, 15750, 18625, 18774, 20115, 20250, 22350, 23625, 24138, 26075, 28161, 28350, 31290, 33525, 37250, 40230, 46935, 47250, 52150, 55875, 56322, 60345, 67050, 70875, 78225, 84483, 93870, 100575, 111750, 120690, 130375, 140805, 141750, 156450, 167625, 168966, 201150, 234675, 260750, 281610, 301725, 335250, 391125, 422415, 469350, 502875, 603450, 704025, 782250, 844830, 1005750, 1173375, 1408050, 1508625, 2112075, 2346750, 3017250, 3520125, 4224150, 7040250, 10560375, 21120750]

約数ペア:

[(1, 21120750), (2, 10560375), (3, 7040250), (5, 4224150), (6, 3520125), (7, 3017250), (9, 2346750), (10, 2112075), (14, 1508625), (15, 1408050), (18, 1173375), (21, 1005750), (25, 844830), (27, 782250), (30, 704025), (35, 603450), (42, 502875), (45, 469350), (50, 422415), (54, 391125), (63, 335250), (70, 301725), (75, 281610), (81, 260750), (90, 234675), (105, 201150), (125, 168966), (126, 167625), (135, 156450), (149, 141750), (150, 140805), (162, 130375), (175, 120690), (189, 111750), (210, 100575), (225, 93870), (250, 84483), (270, 78225), (298, 70875), (315, 67050), (350, 60345), (375, 56322), (378, 55875), (405, 52150), (447, 47250), (450, 46935), (525, 40230), (567, 37250), (630, 33525), (675, 31290), (745, 28350), (750, 28161), (810, 26075), (875, 24138), (894, 23625), (945, 22350), (1043, 20250), (1050, 20115), (1125, 18774), (1134, 18625), (1341, 15750), (1350, 15645), (1490, 14175), (1575, 13410), (1750, 12069), (1890, 11175), (2025, 10430), (2086, 10125), (2235, 9450), (2250, 9387), (2625, 8046), (2682, 7875), (2835, 7450), (3129, 6750), (3150, 6705), (3375, 6258), (3725, 5670), (4023, 5250), (4050, 5215), (4470, 4725)]