21996360

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 77575680

約数和(自身を除く): 55579320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 73, 81, 90, 93, 108, 120, 124, 135, 146, 155, 162, 180, 186, 216, 219, 243, 248, 270, 279, 292, 310, 324, 360, 365, 372, 405, 438, 465, 486, 540, 558, 584, 620, 648, 657, 730, 744, 810, 837, 876, 930, 972, 1080, 1095, 1116, 1215, 1240, 1314, 1395, 1460, 1620, 1674, 1752, 1860, 1944, 1971, 2190, 2232, 2263, 2430, 2511, 2628, 2790, 2920, 3240, 3285, 3348, 3720, 3942, 4185, 4380, 4526, 4860, 5022, 5256, 5580, 5913, 6570, 6696, 6789, 7533, 7884, 8370, 8760, 9052, 9720, 9855, 10044, 11160, 11315, 11826, 12555, 13140, 13578, 15066, 15768, 16740, 17739, 18104, 19710, 20088, 20367, 22630, 23652, 25110, 26280, 27156, 29565, 30132, 33480, 33945, 35478, 37665, 39420, 40734, 45260, 47304, 50220, 54312, 59130, 60264, 61101, 67890, 70956, 75330, 78840, 81468, 88695, 90520, 100440, 101835, 118260, 122202, 135780, 141912, 150660, 162936, 177390, 183303, 203670, 236520, 244404, 271560, 301320, 305505, 354780, 366606, 407340, 488808, 549909, 611010, 709560, 733212, 814680, 916515, 1099818, 1222020, 1466424, 1833030, 2199636, 2444040, 2749545, 3666060, 4399272, 5499090, 7332120, 10998180, 21996360]

約数ペア:

[(1, 21996360), (2, 10998180), (3, 7332120), (4, 5499090), (5, 4399272), (6, 3666060), (8, 2749545), (9, 2444040), (10, 2199636), (12, 1833030), (15, 1466424), (18, 1222020), (20, 1099818), (24, 916515), (27, 814680), (30, 733212), (31, 709560), (36, 611010), (40, 549909), (45, 488808), (54, 407340), (60, 366606), (62, 354780), (72, 305505), (73, 301320), (81, 271560), (90, 244404), (93, 236520), (108, 203670), (120, 183303), (124, 177390), (135, 162936), (146, 150660), (155, 141912), (162, 135780), (180, 122202), (186, 118260), (216, 101835), (219, 100440), (243, 90520), (248, 88695), (270, 81468), (279, 78840), (292, 75330), (310, 70956), (324, 67890), (360, 61101), (365, 60264), (372, 59130), (405, 54312), (438, 50220), (465, 47304), (486, 45260), (540, 40734), (558, 39420), (584, 37665), (620, 35478), (648, 33945), (657, 33480), (730, 30132), (744, 29565), (810, 27156), (837, 26280), (876, 25110), (930, 23652), (972, 22630), (1080, 20367), (1095, 20088), (1116, 19710), (1215, 18104), (1240, 17739), (1314, 16740), (1395, 15768), (1460, 15066), (1620, 13578), (1674, 13140), (1752, 12555), (1860, 11826), (1944, 11315), (1971, 11160), (2190, 10044), (2232, 9855), (2263, 9720), (2430, 9052), (2511, 8760), (2628, 8370), (2790, 7884), (2920, 7533), (3240, 6789), (3285, 6696), (3348, 6570), (3720, 5913), (3942, 5580), (4185, 5256), (4380, 5022), (4526, 4860)]