21306721370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1949}}^1$

素因数の和:2168

約数の個数: 128

約数和(自身を含む): 45489600000

約数和(自身を除く): 24182878630

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 149, 230, 253, 290, 298, 319, 506, 638, 667, 745, 1265, 1334, 1490, 1595, 1639, 1949, 2530, 3190, 3278, 3335, 3427, 3898, 4321, 6670, 6854, 7337, 8195, 8642, 9745, 14674, 16390, 17135, 19490, 21439, 21605, 34270, 36685, 37697, 42878, 43210, 44827, 47531, 56521, 73370, 75394, 89654, 95062, 99383, 107195, 113042, 188485, 198766, 214390, 224135, 237655, 282605, 290401, 376970, 448270, 475310, 493097, 496915, 565210, 580802, 621731, 986194, 993830, 1093213, 1243462, 1299983, 1452005, 2186426, 2465485, 2599966, 2904010, 3108655, 3194411, 4930970, 5466065, 6217310, 6388822, 6499915, 6679223, 8421629, 10932130, 12999830, 13358446, 14299813, 15972055, 16843258, 28599626, 31944110, 33396115, 42108145, 66792230, 71499065, 73471453, 84216290, 92637919, 142998130, 146942906, 185275838, 193697467, 367357265, 387394934, 463189595, 734714530, 926379190, 968487335, 1936974670, 2130672137, 4261344274, 10653360685, 21306721370]

約数ペア:

[(1, 21306721370), (2, 10653360685), (5, 4261344274), (10, 2130672137), (11, 1936974670), (22, 968487335), (23, 926379190), (29, 734714530), (46, 463189595), (55, 387394934), (58, 367357265), (110, 193697467), (115, 185275838), (145, 146942906), (149, 142998130), (230, 92637919), (253, 84216290), (290, 73471453), (298, 71499065), (319, 66792230), (506, 42108145), (638, 33396115), (667, 31944110), (745, 28599626), (1265, 16843258), (1334, 15972055), (1490, 14299813), (1595, 13358446), (1639, 12999830), (1949, 10932130), (2530, 8421629), (3190, 6679223), (3278, 6499915), (3335, 6388822), (3427, 6217310), (3898, 5466065), (4321, 4930970), (6670, 3194411), (6854, 3108655), (7337, 2904010), (8195, 2599966), (8642, 2465485), (9745, 2186426), (14674, 1452005), (16390, 1299983), (17135, 1243462), (19490, 1093213), (21439, 993830), (21605, 986194), (34270, 621731), (36685, 580802), (37697, 565210), (42878, 496915), (43210, 493097), (44827, 475310), (47531, 448270), (56521, 376970), (73370, 290401), (75394, 282605), (89654, 237655), (95062, 224135), (99383, 214390), (107195, 198766), (113042, 188485)]