21101472584

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{4721}}^1$

素因数の和:5094

約数の個数: 64

約数和(自身を含む): 41614041600

約数和(自身を除く): 20512569016

約数列:

[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 269, 536, 538, 1076, 2077, 2152, 4154, 4721, 8308, 8339, 9442, 16616, 16678, 18023, 18884, 33356, 36046, 37768, 66712, 72092, 144184, 146351, 292702, 316307, 558713, 585404, 632614, 1117426, 1170808, 1265228, 1269949, 2234852, 2530456, 2539898, 4469704, 5079796, 9805517, 10159592, 19611034, 39222068, 39368419, 78444136, 78736838, 85086583, 157473676, 170173166, 314947352, 340346332, 680692664, 2637684073, 5275368146, 10550736292, 21101472584]

約数ペア:

[(1, 21101472584), (2, 10550736292), (4, 5275368146), (8, 2637684073), (31, 680692664), (62, 340346332), (67, 314947352), (124, 170173166), (134, 157473676), (248, 85086583), (268, 78736838), (269, 78444136), (536, 39368419), (538, 39222068), (1076, 19611034), (2077, 10159592), (2152, 9805517), (4154, 5079796), (4721, 4469704), (8308, 2539898), (8339, 2530456), (9442, 2234852), (16616, 1269949), (16678, 1265228), (18023, 1170808), (18884, 1117426), (33356, 632614), (36046, 585404), (37768, 558713), (66712, 316307), (72092, 292702), (144184, 146351)]