21016638

素因数分解:

$2^1\times 3^3\times {\mathrm{89}}^1\times {\mathrm{4373}}^1$

素因数の和:4473

約数の個数: 32

約数和(自身を含む): 47239200

約数和(自身を除く): 26222562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 89, 178, 267, 534, 801, 1602, 2403, 4373, 4806, 8746, 13119, 26238, 39357, 78714, 118071, 236142, 389197, 778394, 1167591, 2335182, 3502773, 7005546, 10508319, 21016638]

約数ペア:

[(1, 21016638), (2, 10508319), (3, 7005546), (6, 3502773), (9, 2335182), (18, 1167591), (27, 778394), (54, 389197), (89, 236142), (178, 118071), (267, 78714), (534, 39357), (801, 26238), (1602, 13119), (2403, 8746), (4373, 4806)]