21782250

素因数分解:

$2^1\times 3^3\times 5^3\times 7^1\times {\mathrm{461}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 69189120

約数和(自身を除く): 47406870

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, 90, 105, 125, 126, 135, 150, 175, 189, 210, 225, 250, 270, 315, 350, 375, 378, 450, 461, 525, 630, 675, 750, 875, 922, 945, 1050, 1125, 1350, 1383, 1575, 1750, 1890, 2250, 2305, 2625, 2766, 3150, 3227, 3375, 4149, 4610, 4725, 5250, 6454, 6750, 6915, 7875, 8298, 9450, 9681, 11525, 12447, 13830, 15750, 16135, 19362, 20745, 23050, 23625, 24894, 29043, 32270, 34575, 41490, 47250, 48405, 57625, 58086, 62235, 69150, 80675, 87129, 96810, 103725, 115250, 124470, 145215, 161350, 172875, 174258, 207450, 242025, 290430, 311175, 345750, 403375, 435645, 484050, 518625, 622350, 726075, 806750, 871290, 1037250, 1210125, 1452150, 1555875, 2178225, 2420250, 3111750, 3630375, 4356450, 7260750, 10891125, 21782250]

約数ペア:

[(1, 21782250), (2, 10891125), (3, 7260750), (5, 4356450), (6, 3630375), (7, 3111750), (9, 2420250), (10, 2178225), (14, 1555875), (15, 1452150), (18, 1210125), (21, 1037250), (25, 871290), (27, 806750), (30, 726075), (35, 622350), (42, 518625), (45, 484050), (50, 435645), (54, 403375), (63, 345750), (70, 311175), (75, 290430), (90, 242025), (105, 207450), (125, 174258), (126, 172875), (135, 161350), (150, 145215), (175, 124470), (189, 115250), (210, 103725), (225, 96810), (250, 87129), (270, 80675), (315, 69150), (350, 62235), (375, 58086), (378, 57625), (450, 48405), (461, 47250), (525, 41490), (630, 34575), (675, 32270), (750, 29043), (875, 24894), (922, 23625), (945, 23050), (1050, 20745), (1125, 19362), (1350, 16135), (1383, 15750), (1575, 13830), (1750, 12447), (1890, 11525), (2250, 9681), (2305, 9450), (2625, 8298), (2766, 7875), (3150, 6915), (3227, 6750), (3375, 6454), (4149, 5250), (4610, 4725)]