21486444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{1429}}^1$

素因数の和:1622

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 36171156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 179, 358, 537, 716, 1074, 1253, 1429, 2148, 2506, 2858, 3759, 4287, 5012, 5716, 7518, 8574, 10003, 15036, 17148, 20006, 30009, 40012, 60018, 120036, 255791, 511582, 767373, 1023164, 1534746, 1790537, 3069492, 3581074, 5371611, 7162148, 10743222, 21486444]

約数ペア:

[(1, 21486444), (2, 10743222), (3, 7162148), (4, 5371611), (6, 3581074), (7, 3069492), (12, 1790537), (14, 1534746), (21, 1023164), (28, 767373), (42, 511582), (84, 255791), (179, 120036), (358, 60018), (537, 40012), (716, 30009), (1074, 20006), (1253, 17148), (1429, 15036), (2148, 10003), (2506, 8574), (2858, 7518), (3759, 5716), (4287, 5012)]