21000337472

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{127133}}^1$

素因数の和:127263

約数の個数: 56

約数和(自身を含む): 43594248600

約数和(自身を除く): 22593911128

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 89, 116, 178, 232, 356, 464, 712, 928, 1424, 1856, 2581, 2848, 5162, 5696, 10324, 20648, 41296, 82592, 127133, 165184, 254266, 508532, 1017064, 2034128, 3686857, 4068256, 7373714, 8136512, 11314837, 14747428, 22629674, 29494856, 45259348, 58989712, 90518696, 117979424, 181037392, 235958848, 328130273, 362074784, 656260546, 724149568, 1312521092, 2625042184, 5250084368, 10500168736, 21000337472]

約数ペア:

[(1, 21000337472), (2, 10500168736), (4, 5250084368), (8, 2625042184), (16, 1312521092), (29, 724149568), (32, 656260546), (58, 362074784), (64, 328130273), (89, 235958848), (116, 181037392), (178, 117979424), (232, 90518696), (356, 58989712), (464, 45259348), (712, 29494856), (928, 22629674), (1424, 14747428), (1856, 11314837), (2581, 8136512), (2848, 7373714), (5162, 4068256), (5696, 3686857), (10324, 2034128), (20648, 1017064), (41296, 508532), (82592, 254266), (127133, 165184)]