About the Number

21000724740

21000724739 ← → 21000724741

2進数表記:10011100011101111011010000100000100

漢数字表記:二百十億七十二万四千七百四十

素因数分解:

2 2 × 3 3 × 5 1 × 83 1 × 468557 1

素因数の和:468658
約数の個数: 96
約数和(自身を含む): 66122904960
約数和(自身を除く): 45122180220

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 83, 90, 108, 135, 166, 180, 249, 270, 332, 415, 498, 540, 747, 830, 996, 1245, 1494, 1660, 2241, 2490, 2988, 3735, 4482, 4980, 7470, 8964, 11205, 14940, 22410, 44820, 468557, 937114, 1405671, 1874228, 2342785, 2811342, 4217013, 4685570, 5622684, 7028355, 8434026, 9371140, 12651039, 14056710, 16868052, 21085065, 25302078, 28113420, 38890231, 42170130, 50604156, 63255195, 77780462, 84340260, 116670693, 126510390, 155560924, 194451155, 233341386, 253020780, 350012079, 388902310, 466682772, 583353465, 700024158, 777804620, 1050036237, 1166706930, 1400048316, 1750060395, 2100072474, 2333413860, 3500120790, 4200144948, 5250181185, 7000241580, 10500362370, 21000724740]

約数ペア:
[(1, 21000724740), (2, 10500362370), (3, 7000241580), (4, 5250181185), (5, 4200144948), (6, 3500120790), (9, 2333413860), (10, 2100072474), (12, 1750060395), (15, 1400048316), (18, 1166706930), (20, 1050036237), (27, 777804620), (30, 700024158), (36, 583353465), (45, 466682772), (54, 388902310), (60, 350012079), (83, 253020780), (90, 233341386), (108, 194451155), (135, 155560924), (166, 126510390), (180, 116670693), (249, 84340260), (270, 77780462), (332, 63255195), (415, 50604156), (498, 42170130), (540, 38890231), (747, 28113420), (830, 25302078), (996, 21085065), (1245, 16868052), (1494, 14056710), (1660, 12651039), (2241, 9371140), (2490, 8434026), (2988, 7028355), (3735, 5622684), (4482, 4685570), (4980, 4217013), (7470, 2811342), (8964, 2342785), (11205, 1874228), (14940, 1405671), (22410, 937114), (44820, 468557)]

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