About the Number

21313488

21313487 ← → 21313489

2進数表記:1010001010011011111010000

漢数字表記:二千百三十一万三千四百八十八

素因数分解:

2 4 × 3 1 × 7 1 × 229 1 × 277 1

素因数の和:524
約数の個数: 80
約数和(自身を含む): 63428480
約数和(自身を除く): 42114992

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 229, 277, 336, 458, 554, 687, 831, 916, 1108, 1374, 1603, 1662, 1832, 1939, 2216, 2748, 3206, 3324, 3664, 3878, 4432, 4809, 5496, 5817, 6412, 6648, 7756, 9618, 10992, 11634, 12824, 13296, 15512, 19236, 23268, 25648, 31024, 38472, 46536, 63433, 76944, 93072, 126866, 190299, 253732, 380598, 444031, 507464, 761196, 888062, 1014928, 1332093, 1522392, 1776124, 2664186, 3044784, 3552248, 5328372, 7104496, 10656744, 21313488]

約数ペア:
[(1, 21313488), (2, 10656744), (3, 7104496), (4, 5328372), (6, 3552248), (7, 3044784), (8, 2664186), (12, 1776124), (14, 1522392), (16, 1332093), (21, 1014928), (24, 888062), (28, 761196), (42, 507464), (48, 444031), (56, 380598), (84, 253732), (112, 190299), (168, 126866), (229, 93072), (277, 76944), (336, 63433), (458, 46536), (554, 38472), (687, 31024), (831, 25648), (916, 23268), (1108, 19236), (1374, 15512), (1603, 13296), (1662, 12824), (1832, 11634), (1939, 10992), (2216, 9618), (2748, 7756), (3206, 6648), (3324, 6412), (3664, 5817), (3878, 5496), (4432, 4809)]

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