21460140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1053

約数の個数: 120

約数和(自身を含む): 72570960

約数和(自身を除く): 51110820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1019, 1053, 1170, 1404, 1620, 1755, 2038, 2106, 2340, 3057, 3510, 4076, 4212, 5095, 5265, 6114, 7020, 9171, 10190, 10530, 12228, 13247, 15285, 18342, 20380, 21060, 26494, 27513, 30570, 36684, 39741, 45855, 52988, 55026, 61140, 66235, 79482, 82539, 91710, 110052, 119223, 132470, 137565, 158964, 165078, 183420, 198705, 238446, 264940, 275130, 330156, 357669, 397410, 412695, 476892, 550260, 596115, 715338, 794820, 825390, 1073007, 1192230, 1430676, 1650780, 1788345, 2146014, 2384460, 3576690, 4292028, 5365035, 7153380, 10730070, 21460140]

約数ペア:

[(1, 21460140), (2, 10730070), (3, 7153380), (4, 5365035), (5, 4292028), (6, 3576690), (9, 2384460), (10, 2146014), (12, 1788345), (13, 1650780), (15, 1430676), (18, 1192230), (20, 1073007), (26, 825390), (27, 794820), (30, 715338), (36, 596115), (39, 550260), (45, 476892), (52, 412695), (54, 397410), (60, 357669), (65, 330156), (78, 275130), (81, 264940), (90, 238446), (108, 198705), (117, 183420), (130, 165078), (135, 158964), (156, 137565), (162, 132470), (180, 119223), (195, 110052), (234, 91710), (260, 82539), (270, 79482), (324, 66235), (351, 61140), (390, 55026), (405, 52988), (468, 45855), (540, 39741), (585, 36684), (702, 30570), (780, 27513), (810, 26494), (1019, 21060), (1053, 20380), (1170, 18342), (1404, 15285), (1620, 13247), (1755, 12228), (2038, 10530), (2106, 10190), (2340, 9171), (3057, 7020), (3510, 6114), (4076, 5265), (4212, 5095)]