21368340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5653}}^1$

素因数の和:5678

約数の個数: 96

約数和(自身を含む): 75989760

約数和(自身を除く): 54621420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 5653, 11306, 16959, 22612, 28265, 33918, 39571, 50877, 56530, 67836, 79142, 84795, 101754, 113060, 118713, 152631, 158284, 169590, 197855, 203508, 237426, 254385, 305262, 339180, 356139, 395710, 474852, 508770, 593565, 610524, 712278, 763155, 791420, 1017540, 1068417, 1187130, 1424556, 1526310, 1780695, 2136834, 2374260, 3052620, 3561390, 4273668, 5342085, 7122780, 10684170, 21368340]

約数ペア:

[(1, 21368340), (2, 10684170), (3, 7122780), (4, 5342085), (5, 4273668), (6, 3561390), (7, 3052620), (9, 2374260), (10, 2136834), (12, 1780695), (14, 1526310), (15, 1424556), (18, 1187130), (20, 1068417), (21, 1017540), (27, 791420), (28, 763155), (30, 712278), (35, 610524), (36, 593565), (42, 508770), (45, 474852), (54, 395710), (60, 356139), (63, 339180), (70, 305262), (84, 254385), (90, 237426), (105, 203508), (108, 197855), (126, 169590), (135, 158284), (140, 152631), (180, 118713), (189, 113060), (210, 101754), (252, 84795), (270, 79142), (315, 67836), (378, 56530), (420, 50877), (540, 39571), (630, 33918), (756, 28265), (945, 22612), (1260, 16959), (1890, 11306), (3780, 5653)]