21857688

素因数分解:

$2^3\times 3^4\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 62073000

約数和(自身を除く): 40215312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 89, 108, 162, 178, 216, 267, 324, 356, 379, 534, 648, 712, 758, 801, 1068, 1137, 1516, 1602, 2136, 2274, 2403, 3032, 3204, 3411, 4548, 4806, 6408, 6822, 7209, 9096, 9612, 10233, 13644, 14418, 19224, 20466, 27288, 28836, 30699, 33731, 40932, 57672, 61398, 67462, 81864, 101193, 122796, 134924, 202386, 245592, 269848, 303579, 404772, 607158, 809544, 910737, 1214316, 1821474, 2428632, 2732211, 3642948, 5464422, 7285896, 10928844, 21857688]

約数ペア:

[(1, 21857688), (2, 10928844), (3, 7285896), (4, 5464422), (6, 3642948), (8, 2732211), (9, 2428632), (12, 1821474), (18, 1214316), (24, 910737), (27, 809544), (36, 607158), (54, 404772), (72, 303579), (81, 269848), (89, 245592), (108, 202386), (162, 134924), (178, 122796), (216, 101193), (267, 81864), (324, 67462), (356, 61398), (379, 57672), (534, 40932), (648, 33731), (712, 30699), (758, 28836), (801, 27288), (1068, 20466), (1137, 19224), (1516, 14418), (1602, 13644), (2136, 10233), (2274, 9612), (2403, 9096), (3032, 7209), (3204, 6822), (3411, 6408), (4548, 4806)]