21094906300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{306167}}^1$

素因数の和:306247

約数の個数: 72

約数和(自身を含む): 50227472736

約数和(自身を除く): 29132566436

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 53, 65, 100, 106, 130, 212, 260, 265, 325, 530, 650, 689, 1060, 1300, 1325, 1378, 2650, 2756, 3445, 5300, 6890, 13780, 17225, 34450, 68900, 306167, 612334, 1224668, 1530835, 3061670, 3980171, 6123340, 7654175, 7960342, 15308350, 15920684, 16226851, 19900855, 30616700, 32453702, 39801710, 64907404, 79603420, 81134255, 99504275, 162268510, 199008550, 210949063, 324537020, 398017100, 405671275, 421898126, 811342550, 843796252, 1054745315, 1622685100, 2109490630, 4218981260, 5273726575, 10547453150, 21094906300]

約数ペア:

[(1, 21094906300), (2, 10547453150), (4, 5273726575), (5, 4218981260), (10, 2109490630), (13, 1622685100), (20, 1054745315), (25, 843796252), (26, 811342550), (50, 421898126), (52, 405671275), (53, 398017100), (65, 324537020), (100, 210949063), (106, 199008550), (130, 162268510), (212, 99504275), (260, 81134255), (265, 79603420), (325, 64907404), (530, 39801710), (650, 32453702), (689, 30616700), (1060, 19900855), (1300, 16226851), (1325, 15920684), (1378, 15308350), (2650, 7960342), (2756, 7654175), (3445, 6123340), (5300, 3980171), (6890, 3061670), (13780, 1530835), (17225, 1224668), (34450, 612334), (68900, 306167)]