21037300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2963}}^1$

素因数の和:3048

約数の個数: 36

約数和(自身を含む): 46309536

約数和(自身を除く): 25272236

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2963, 3550, 5926, 7100, 11852, 14815, 29630, 59260, 74075, 148150, 210373, 296300, 420746, 841492, 1051865, 2103730, 4207460, 5259325, 10518650, 21037300]

約数ペア:

[(1, 21037300), (2, 10518650), (4, 5259325), (5, 4207460), (10, 2103730), (20, 1051865), (25, 841492), (50, 420746), (71, 296300), (100, 210373), (142, 148150), (284, 74075), (355, 59260), (710, 29630), (1420, 14815), (1775, 11852), (2963, 7100), (3550, 5926)]