21061140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 40991340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 53, 60, 74, 106, 111, 148, 159, 179, 185, 212, 222, 265, 318, 358, 370, 444, 530, 537, 555, 636, 716, 740, 795, 895, 1060, 1074, 1110, 1590, 1790, 1961, 2148, 2220, 2685, 3180, 3580, 3922, 5370, 5883, 6623, 7844, 9487, 9805, 10740, 11766, 13246, 18974, 19610, 19869, 23532, 26492, 28461, 29415, 33115, 37948, 39220, 39738, 47435, 56922, 58830, 66230, 79476, 94870, 99345, 113844, 117660, 132460, 142305, 189740, 198690, 284610, 351019, 397380, 569220, 702038, 1053057, 1404076, 1755095, 2106114, 3510190, 4212228, 5265285, 7020380, 10530570, 21061140]

約数ペア:

[(1, 21061140), (2, 10530570), (3, 7020380), (4, 5265285), (5, 4212228), (6, 3510190), (10, 2106114), (12, 1755095), (15, 1404076), (20, 1053057), (30, 702038), (37, 569220), (53, 397380), (60, 351019), (74, 284610), (106, 198690), (111, 189740), (148, 142305), (159, 132460), (179, 117660), (185, 113844), (212, 99345), (222, 94870), (265, 79476), (318, 66230), (358, 58830), (370, 56922), (444, 47435), (530, 39738), (537, 39220), (555, 37948), (636, 33115), (716, 29415), (740, 28461), (795, 26492), (895, 23532), (1060, 19869), (1074, 19610), (1110, 18974), (1590, 13246), (1790, 11766), (1961, 10740), (2148, 9805), (2220, 9487), (2685, 7844), (3180, 6623), (3580, 5883), (3922, 5370)]