21776130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:1991

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 35304894

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 131, 262, 393, 655, 786, 1179, 1310, 1847, 1965, 2358, 3694, 3930, 5541, 5895, 9235, 11082, 11790, 16623, 18470, 27705, 33246, 55410, 83115, 166230, 241957, 483914, 725871, 1209785, 1451742, 2177613, 2419570, 3629355, 4355226, 7258710, 10888065, 21776130]

約数ペア:

[(1, 21776130), (2, 10888065), (3, 7258710), (5, 4355226), (6, 3629355), (9, 2419570), (10, 2177613), (15, 1451742), (18, 1209785), (30, 725871), (45, 483914), (90, 241957), (131, 166230), (262, 83115), (393, 55410), (655, 33246), (786, 27705), (1179, 18470), (1310, 16623), (1847, 11790), (1965, 11082), (2358, 9235), (3694, 5895), (3930, 5541)]