21474012780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{985951}}^1$

素因数の和:985988

約数の個数: 108

約数和(自身を含む): 71597862336

約数和(自身を除く): 50123849556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 985951, 1971902, 2957853, 3943804, 4929755, 5915706, 8873559, 9859510, 10845461, 11831412, 14789265, 17747118, 19719020, 21690922, 29578530, 32536383, 35494236, 43381844, 44367795, 54227305, 59157060, 65072766, 88735590, 97609149, 108454610, 119300071, 130145532, 162681915, 177471180, 195218298, 216909220, 238600142, 325363830, 357900213, 390436596, 477200284, 488045745, 596500355, 650727660, 715800426, 976091490, 1073700639, 1193000710, 1431600852, 1789501065, 1952182980, 2147401278, 2386001420, 3579002130, 4294802556, 5368503195, 7158004260, 10737006390, 21474012780]

約数ペア:

[(1, 21474012780), (2, 10737006390), (3, 7158004260), (4, 5368503195), (5, 4294802556), (6, 3579002130), (9, 2386001420), (10, 2147401278), (11, 1952182980), (12, 1789501065), (15, 1431600852), (18, 1193000710), (20, 1073700639), (22, 976091490), (30, 715800426), (33, 650727660), (36, 596500355), (44, 488045745), (45, 477200284), (55, 390436596), (60, 357900213), (66, 325363830), (90, 238600142), (99, 216909220), (110, 195218298), (121, 177471180), (132, 162681915), (165, 130145532), (180, 119300071), (198, 108454610), (220, 97609149), (242, 88735590), (330, 65072766), (363, 59157060), (396, 54227305), (484, 44367795), (495, 43381844), (605, 35494236), (660, 32536383), (726, 29578530), (990, 21690922), (1089, 19719020), (1210, 17747118), (1452, 14789265), (1815, 11831412), (1980, 10845461), (2178, 9859510), (2420, 8873559), (3630, 5915706), (4356, 4929755), (5445, 3943804), (7260, 2957853), (10890, 1971902), (21780, 985951)]