21302280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1259}}^1$

素因数の和:1323

約数の個数: 96

約数和(自身を含む): 70761600

約数和(自身を除く): 49459320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 90, 94, 120, 141, 180, 188, 235, 282, 360, 376, 423, 470, 564, 705, 846, 940, 1128, 1259, 1410, 1692, 1880, 2115, 2518, 2820, 3384, 3777, 4230, 5036, 5640, 6295, 7554, 8460, 10072, 11331, 12590, 15108, 16920, 18885, 22662, 25180, 30216, 37770, 45324, 50360, 56655, 59173, 75540, 90648, 113310, 118346, 151080, 177519, 226620, 236692, 295865, 355038, 453240, 473384, 532557, 591730, 710076, 887595, 1065114, 1183460, 1420152, 1775190, 2130228, 2366920, 2662785, 3550380, 4260456, 5325570, 7100760, 10651140, 21302280]

約数ペア:

[(1, 21302280), (2, 10651140), (3, 7100760), (4, 5325570), (5, 4260456), (6, 3550380), (8, 2662785), (9, 2366920), (10, 2130228), (12, 1775190), (15, 1420152), (18, 1183460), (20, 1065114), (24, 887595), (30, 710076), (36, 591730), (40, 532557), (45, 473384), (47, 453240), (60, 355038), (72, 295865), (90, 236692), (94, 226620), (120, 177519), (141, 151080), (180, 118346), (188, 113310), (235, 90648), (282, 75540), (360, 59173), (376, 56655), (423, 50360), (470, 45324), (564, 37770), (705, 30216), (846, 25180), (940, 22662), (1128, 18885), (1259, 16920), (1410, 15108), (1692, 12590), (1880, 11331), (2115, 10072), (2518, 8460), (2820, 7554), (3384, 6295), (3777, 5640), (4230, 5036)]