20211660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{5347}}^1$

素因数の和:5372

約数の個数: 96

約数和(自身を含む): 71877120

約数和(自身を除く): 51665460

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, 5347, 10694, 16041, 21388, 26735, 32082, 37429, 48123, 53470, 64164, 74858, 80205, 96246, 106940, 112287, 144369, 149716, 160410, 187145, 192492, 224574, 240615, 288738, 320820, 336861, 374290, 449148, 481230, 561435, 577476, 673722, 721845, 748580, 962460, 1010583, 1122870, 1347444, 1443690, 1684305, 2021166, 2245740, 2887380, 3368610, 4042332, 5052915, 6737220, 10105830, 20211660]

約数ペア:

[(1, 20211660), (2, 10105830), (3, 6737220), (4, 5052915), (5, 4042332), (6, 3368610), (7, 2887380), (9, 2245740), (10, 2021166), (12, 1684305), (14, 1443690), (15, 1347444), (18, 1122870), (20, 1010583), (21, 962460), (27, 748580), (28, 721845), (30, 673722), (35, 577476), (36, 561435), (42, 481230), (45, 449148), (54, 374290), (60, 336861), (63, 320820), (70, 288738), (84, 240615), (90, 224574), (105, 192492), (108, 187145), (126, 160410), (135, 149716), (140, 144369), (180, 112287), (189, 106940), (210, 96246), (252, 80205), (270, 74858), (315, 64164), (378, 53470), (420, 48123), (540, 37429), (630, 32082), (756, 26735), (945, 21388), (1260, 16041), (1890, 10694), (3780, 5347)]