21674394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{179}}^1$

素因数の和:256

約数の個数: 72

約数和(自身を含む): 55766880

約数和(自身を除く): 34092486

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 179, 186, 217, 279, 358, 434, 537, 558, 651, 961, 1074, 1253, 1302, 1611, 1922, 1953, 2506, 2883, 3222, 3759, 3906, 5549, 5766, 6727, 7518, 8649, 11098, 11277, 13454, 16647, 17298, 20181, 22554, 33294, 38843, 40362, 49941, 60543, 77686, 99882, 116529, 121086, 172019, 233058, 344038, 349587, 516057, 699174, 1032114, 1204133, 1548171, 2408266, 3096342, 3612399, 7224798, 10837197, 21674394]

約数ペア:

[(1, 21674394), (2, 10837197), (3, 7224798), (6, 3612399), (7, 3096342), (9, 2408266), (14, 1548171), (18, 1204133), (21, 1032114), (31, 699174), (42, 516057), (62, 349587), (63, 344038), (93, 233058), (126, 172019), (179, 121086), (186, 116529), (217, 99882), (279, 77686), (358, 60543), (434, 49941), (537, 40362), (558, 38843), (651, 33294), (961, 22554), (1074, 20181), (1253, 17298), (1302, 16647), (1611, 13454), (1922, 11277), (1953, 11098), (2506, 8649), (2883, 7518), (3222, 6727), (3759, 5766), (3906, 5549)]