21611340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1340

約数の個数: 96

約数和(自身を含む): 69457920

約数和(自身を除く): 47846580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1291, 1395, 1674, 1860, 2582, 2790, 3348, 3873, 4185, 5164, 5580, 6455, 7746, 8370, 11619, 12910, 15492, 16740, 19365, 23238, 25820, 34857, 38730, 40021, 46476, 58095, 69714, 77460, 80042, 116190, 120063, 139428, 160084, 174285, 200105, 232380, 240126, 348570, 360189, 400210, 480252, 600315, 697140, 720378, 800420, 1080567, 1200630, 1440756, 1800945, 2161134, 2401260, 3601890, 4322268, 5402835, 7203780, 10805670, 21611340]

約数ペア:

[(1, 21611340), (2, 10805670), (3, 7203780), (4, 5402835), (5, 4322268), (6, 3601890), (9, 2401260), (10, 2161134), (12, 1800945), (15, 1440756), (18, 1200630), (20, 1080567), (27, 800420), (30, 720378), (31, 697140), (36, 600315), (45, 480252), (54, 400210), (60, 360189), (62, 348570), (90, 240126), (93, 232380), (108, 200105), (124, 174285), (135, 160084), (155, 139428), (180, 120063), (186, 116190), (270, 80042), (279, 77460), (310, 69714), (372, 58095), (465, 46476), (540, 40021), (558, 38730), (620, 34857), (837, 25820), (930, 23238), (1116, 19365), (1291, 16740), (1395, 15492), (1674, 12910), (1860, 11619), (2582, 8370), (2790, 7746), (3348, 6455), (3873, 5580), (4185, 5164)]