21450450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 96

約数和(自身を含む): 62853120

約数和(自身を除く): 41402670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 150, 155, 175, 186, 210, 217, 310, 350, 434, 465, 525, 651, 659, 775, 930, 1050, 1085, 1302, 1318, 1550, 1977, 2170, 2325, 3255, 3295, 3954, 4613, 4650, 5425, 6510, 6590, 9226, 9885, 10850, 13839, 16275, 16475, 19770, 20429, 23065, 27678, 32550, 32950, 40858, 46130, 49425, 61287, 69195, 98850, 102145, 115325, 122574, 138390, 143003, 204290, 230650, 286006, 306435, 345975, 429009, 510725, 612870, 691950, 715015, 858018, 1021450, 1430030, 1532175, 2145045, 3064350, 3575075, 4290090, 7150150, 10725225, 21450450]

約数ペア:

[(1, 21450450), (2, 10725225), (3, 7150150), (5, 4290090), (6, 3575075), (7, 3064350), (10, 2145045), (14, 1532175), (15, 1430030), (21, 1021450), (25, 858018), (30, 715015), (31, 691950), (35, 612870), (42, 510725), (50, 429009), (62, 345975), (70, 306435), (75, 286006), (93, 230650), (105, 204290), (150, 143003), (155, 138390), (175, 122574), (186, 115325), (210, 102145), (217, 98850), (310, 69195), (350, 61287), (434, 49425), (465, 46130), (525, 40858), (651, 32950), (659, 32550), (775, 27678), (930, 23065), (1050, 20429), (1085, 19770), (1302, 16475), (1318, 16275), (1550, 13839), (1977, 10850), (2170, 9885), (2325, 9226), (3255, 6590), (3295, 6510), (3954, 5425), (4613, 4650)]