21652920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 160

約数和(自身を含む): 75010320

約数和(自身を除く): 53357400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 41, 45, 54, 60, 72, 81, 82, 90, 108, 120, 123, 135, 162, 163, 164, 180, 205, 216, 246, 270, 324, 326, 328, 360, 369, 405, 410, 489, 492, 540, 615, 648, 652, 738, 810, 815, 820, 978, 984, 1080, 1107, 1230, 1304, 1467, 1476, 1620, 1630, 1640, 1845, 1956, 2214, 2445, 2460, 2934, 2952, 3240, 3260, 3321, 3690, 3912, 4401, 4428, 4890, 4920, 5535, 5868, 6520, 6642, 6683, 7335, 7380, 8802, 8856, 9780, 11070, 11736, 13203, 13284, 13366, 14670, 14760, 16605, 17604, 19560, 20049, 22005, 22140, 26406, 26568, 26732, 29340, 33210, 33415, 35208, 40098, 44010, 44280, 52812, 53464, 58680, 60147, 66015, 66420, 66830, 80196, 88020, 100245, 105624, 120294, 132030, 132840, 133660, 160392, 176040, 180441, 200490, 240588, 264060, 267320, 300735, 360882, 400980, 481176, 528120, 541323, 601470, 721764, 801960, 902205, 1082646, 1202940, 1443528, 1804410, 2165292, 2405880, 2706615, 3608820, 4330584, 5413230, 7217640, 10826460, 21652920]

約数ペア:

[(1, 21652920), (2, 10826460), (3, 7217640), (4, 5413230), (5, 4330584), (6, 3608820), (8, 2706615), (9, 2405880), (10, 2165292), (12, 1804410), (15, 1443528), (18, 1202940), (20, 1082646), (24, 902205), (27, 801960), (30, 721764), (36, 601470), (40, 541323), (41, 528120), (45, 481176), (54, 400980), (60, 360882), (72, 300735), (81, 267320), (82, 264060), (90, 240588), (108, 200490), (120, 180441), (123, 176040), (135, 160392), (162, 133660), (163, 132840), (164, 132030), (180, 120294), (205, 105624), (216, 100245), (246, 88020), (270, 80196), (324, 66830), (326, 66420), (328, 66015), (360, 60147), (369, 58680), (405, 53464), (410, 52812), (489, 44280), (492, 44010), (540, 40098), (615, 35208), (648, 33415), (652, 33210), (738, 29340), (810, 26732), (815, 26568), (820, 26406), (978, 22140), (984, 22005), (1080, 20049), (1107, 19560), (1230, 17604), (1304, 16605), (1467, 14760), (1476, 14670), (1620, 13366), (1630, 13284), (1640, 13203), (1845, 11736), (1956, 11070), (2214, 9780), (2445, 8856), (2460, 8802), (2934, 7380), (2952, 7335), (3240, 6683), (3260, 6642), (3321, 6520), (3690, 5868), (3912, 5535), (4401, 4920), (4428, 4890)]