21533340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1879}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 60641280

約数和(自身を除く): 39107940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1879, 1910, 2292, 2865, 3758, 3820, 5637, 5730, 7516, 9395, 11274, 11460, 18790, 22548, 28185, 37580, 56370, 112740, 358889, 717778, 1076667, 1435556, 1794445, 2153334, 3588890, 4306668, 5383335, 7177780, 10766670, 21533340]

約数ペア:

[(1, 21533340), (2, 10766670), (3, 7177780), (4, 5383335), (5, 4306668), (6, 3588890), (10, 2153334), (12, 1794445), (15, 1435556), (20, 1076667), (30, 717778), (60, 358889), (191, 112740), (382, 56370), (573, 37580), (764, 28185), (955, 22548), (1146, 18790), (1879, 11460), (1910, 11274), (2292, 9395), (2865, 7516), (3758, 5730), (3820, 5637)]