21415800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5099}}^1$

素因数の和:5125

約数の個数: 96

約数和(自身を含む): 75888000

約数和(自身を除く): 54472200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5099, 10198, 15297, 20396, 25495, 30594, 35693, 40792, 50990, 61188, 71386, 76485, 101980, 107079, 122376, 127475, 142772, 152970, 178465, 203960, 214158, 254950, 285544, 305940, 356930, 382425, 428316, 509900, 535395, 611880, 713860, 764850, 856632, 892325, 1019800, 1070790, 1427720, 1529700, 1784650, 2141580, 2676975, 3059400, 3569300, 4283160, 5353950, 7138600, 10707900, 21415800]

約数ペア:

[(1, 21415800), (2, 10707900), (3, 7138600), (4, 5353950), (5, 4283160), (6, 3569300), (7, 3059400), (8, 2676975), (10, 2141580), (12, 1784650), (14, 1529700), (15, 1427720), (20, 1070790), (21, 1019800), (24, 892325), (25, 856632), (28, 764850), (30, 713860), (35, 611880), (40, 535395), (42, 509900), (50, 428316), (56, 382425), (60, 356930), (70, 305940), (75, 285544), (84, 254950), (100, 214158), (105, 203960), (120, 178465), (140, 152970), (150, 142772), (168, 127475), (175, 122376), (200, 107079), (210, 101980), (280, 76485), (300, 71386), (350, 61188), (420, 50990), (525, 40792), (600, 35693), (700, 30594), (840, 25495), (1050, 20396), (1400, 15297), (2100, 10198), (4200, 5099)]