21310600

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 49996800

約数和(自身を除く): 28686200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 839, 1016, 1270, 1678, 2540, 3175, 3356, 4195, 5080, 6350, 6712, 8390, 12700, 16780, 20975, 25400, 33560, 41950, 83900, 106553, 167800, 213106, 426212, 532765, 852424, 1065530, 2131060, 2663825, 4262120, 5327650, 10655300, 21310600]

約数ペア:

[(1, 21310600), (2, 10655300), (4, 5327650), (5, 4262120), (8, 2663825), (10, 2131060), (20, 1065530), (25, 852424), (40, 532765), (50, 426212), (100, 213106), (127, 167800), (200, 106553), (254, 83900), (508, 41950), (635, 33560), (839, 25400), (1016, 20975), (1270, 16780), (1678, 12700), (2540, 8390), (3175, 6712), (3356, 6350), (4195, 5080)]