About the Number

21916980

21916979 ← → 21916981

2進数表記:1010011100110110100110100

漢数字表記:二千百九十一万六千九百八十

素因数分解:

2 2 × 3 4 × 5 1 × 83 1 × 163 1

素因数の和:267
約数の個数: 120
約数和(自身を含む): 70009632
約数和(自身を除く): 48092652

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 162, 163, 166, 180, 249, 270, 324, 326, 332, 405, 415, 489, 498, 540, 652, 747, 810, 815, 830, 978, 996, 1245, 1467, 1494, 1620, 1630, 1660, 1956, 2241, 2445, 2490, 2934, 2988, 3260, 3735, 4401, 4482, 4890, 4980, 5868, 6723, 7335, 7470, 8802, 8964, 9780, 11205, 13203, 13446, 13529, 14670, 14940, 17604, 22005, 22410, 26406, 26892, 27058, 29340, 33615, 40587, 44010, 44820, 52812, 54116, 66015, 67230, 67645, 81174, 88020, 121761, 132030, 134460, 135290, 162348, 202935, 243522, 264060, 270580, 365283, 405870, 487044, 608805, 730566, 811740, 1095849, 1217610, 1461132, 1826415, 2191698, 2435220, 3652830, 4383396, 5479245, 7305660, 10958490, 21916980]

約数ペア:
[(1, 21916980), (2, 10958490), (3, 7305660), (4, 5479245), (5, 4383396), (6, 3652830), (9, 2435220), (10, 2191698), (12, 1826415), (15, 1461132), (18, 1217610), (20, 1095849), (27, 811740), (30, 730566), (36, 608805), (45, 487044), (54, 405870), (60, 365283), (81, 270580), (83, 264060), (90, 243522), (108, 202935), (135, 162348), (162, 135290), (163, 134460), (166, 132030), (180, 121761), (249, 88020), (270, 81174), (324, 67645), (326, 67230), (332, 66015), (405, 54116), (415, 52812), (489, 44820), (498, 44010), (540, 40587), (652, 33615), (747, 29340), (810, 27058), (815, 26892), (830, 26406), (978, 22410), (996, 22005), (1245, 17604), (1467, 14940), (1494, 14670), (1620, 13529), (1630, 13446), (1660, 13203), (1956, 11205), (2241, 9780), (2445, 8964), (2490, 8802), (2934, 7470), (2988, 7335), (3260, 6723), (3735, 5868), (4401, 4980), (4482, 4890)]

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