21160290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 53425152

約数和(自身を除く): 32264862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 61, 62, 93, 122, 155, 183, 186, 305, 310, 366, 373, 465, 610, 746, 915, 930, 1119, 1830, 1865, 1891, 2238, 3730, 3782, 5595, 5673, 9455, 11190, 11346, 11563, 18910, 22753, 23126, 28365, 34689, 45506, 56730, 57815, 68259, 69378, 113765, 115630, 136518, 173445, 227530, 341295, 346890, 682590, 705343, 1410686, 2116029, 3526715, 4232058, 7053430, 10580145, 21160290]

約数ペア:

[(1, 21160290), (2, 10580145), (3, 7053430), (5, 4232058), (6, 3526715), (10, 2116029), (15, 1410686), (30, 705343), (31, 682590), (61, 346890), (62, 341295), (93, 227530), (122, 173445), (155, 136518), (183, 115630), (186, 113765), (305, 69378), (310, 68259), (366, 57815), (373, 56730), (465, 45506), (610, 34689), (746, 28365), (915, 23126), (930, 22753), (1119, 18910), (1830, 11563), (1865, 11346), (1891, 11190), (2238, 9455), (3730, 5673), (3782, 5595)]