21080102016

素因数分解:

$2^7\times 3^1\times {\mathrm{10313}}^1\times {\mathrm{5323}}^1$

素因数の和:15653

約数の個数: 64

約数和(自身を含む): 56009970720

約数和(自身を除く): 34929868704

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 5323, 10313, 10646, 15969, 20626, 21292, 30939, 31938, 41252, 42584, 61878, 63876, 82504, 85168, 123756, 127752, 165008, 170336, 247512, 255504, 330016, 340672, 495024, 511008, 660032, 681344, 990048, 1022016, 1320064, 1980096, 2044032, 3960192, 54896099, 109792198, 164688297, 219584396, 329376594, 439168792, 658753188, 878337584, 1317506376, 1756675168, 2635012752, 3513350336, 5270025504, 7026700672, 10540051008, 21080102016]

約数ペア:

[(1, 21080102016), (2, 10540051008), (3, 7026700672), (4, 5270025504), (6, 3513350336), (8, 2635012752), (12, 1756675168), (16, 1317506376), (24, 878337584), (32, 658753188), (48, 439168792), (64, 329376594), (96, 219584396), (128, 164688297), (192, 109792198), (384, 54896099), (5323, 3960192), (10313, 2044032), (10646, 1980096), (15969, 1320064), (20626, 1022016), (21292, 990048), (30939, 681344), (31938, 660032), (41252, 511008), (42584, 495024), (61878, 340672), (63876, 330016), (82504, 255504), (85168, 247512), (123756, 170336), (127752, 165008)]