About the Number

2101473891

2101473890 ← → 2101473892

2進数表記:1111101010000011111001001100011

漢数字表記:二十一億百四十七万三千八百九十一

素因数分解:

3 2 × 11 1 × 19 1 × 383 1 × 2917 1

素因数の和:3336
約数の個数: 48
約数和(自身を含む): 3495997440
約数和(自身を除く): 1394523549

約数列:
[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 383, 627, 1149, 1881, 2917, 3447, 4213, 7277, 8751, 12639, 21831, 26253, 32087, 37917, 55423, 65493, 80047, 96261, 166269, 240141, 288783, 498807, 609653, 720423, 1117211, 1828959, 3351633, 5486877, 10054899, 12289321, 21227009, 36867963, 63681027, 110603889, 191043081, 233497099, 700491297, 2101473891]

約数ペア:
[(1, 2101473891), (3, 700491297), (9, 233497099), (11, 191043081), (19, 110603889), (33, 63681027), (57, 36867963), (99, 21227009), (171, 12289321), (209, 10054899), (383, 5486877), (627, 3351633), (1149, 1828959), (1881, 1117211), (2917, 720423), (3447, 609653), (4213, 498807), (7277, 288783), (8751, 240141), (12639, 166269), (21831, 96261), (26253, 80047), (32087, 65493), (37917, 55423)]

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