21235899136

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{12491}}^1$

素因数の和:12765

約数の個数: 72

約数和(自身を含む): 44045542800

約数和(自身を除く): 22809643664

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 229, 232, 256, 458, 464, 916, 928, 1832, 1856, 3664, 3712, 6641, 7328, 7424, 12491, 13282, 14656, 24982, 26564, 29312, 49964, 53128, 58624, 99928, 106256, 199856, 212512, 362239, 399712, 425024, 724478, 799424, 850048, 1448956, 1598848, 1700096, 2860439, 2897912, 3197696, 5720878, 5795824, 11441756, 11591648, 22883512, 23183296, 45767024, 46366592, 82952731, 91534048, 92733184, 165905462, 183068096, 331810924, 366136192, 663621848, 732272384, 1327243696, 2654487392, 5308974784, 10617949568, 21235899136]

約数ペア:

[(1, 21235899136), (2, 10617949568), (4, 5308974784), (8, 2654487392), (16, 1327243696), (29, 732272384), (32, 663621848), (58, 366136192), (64, 331810924), (116, 183068096), (128, 165905462), (229, 92733184), (232, 91534048), (256, 82952731), (458, 46366592), (464, 45767024), (916, 23183296), (928, 22883512), (1832, 11591648), (1856, 11441756), (3664, 5795824), (3712, 5720878), (6641, 3197696), (7328, 2897912), (7424, 2860439), (12491, 1700096), (13282, 1598848), (14656, 1448956), (24982, 850048), (26564, 799424), (29312, 724478), (49964, 425024), (53128, 399712), (58624, 362239), (99928, 212512), (106256, 199856)]