21545888

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 32079712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 151, 182, 196, 208, 224, 302, 343, 364, 392, 416, 604, 637, 686, 728, 784, 1057, 1208, 1274, 1372, 1456, 1568, 1963, 2114, 2416, 2548, 2744, 2912, 3926, 4228, 4459, 4832, 5096, 5488, 7399, 7852, 8456, 8918, 10192, 10976, 13741, 14798, 15704, 16912, 17836, 20384, 27482, 29596, 31408, 33824, 35672, 51793, 54964, 59192, 62816, 71344, 96187, 103586, 109928, 118384, 142688, 192374, 207172, 219856, 236768, 384748, 414344, 439712, 673309, 769496, 828688, 1346618, 1538992, 1657376, 2693236, 3077984, 5386472, 10772944, 21545888]

約数ペア:

[(1, 21545888), (2, 10772944), (4, 5386472), (7, 3077984), (8, 2693236), (13, 1657376), (14, 1538992), (16, 1346618), (26, 828688), (28, 769496), (32, 673309), (49, 439712), (52, 414344), (56, 384748), (91, 236768), (98, 219856), (104, 207172), (112, 192374), (151, 142688), (182, 118384), (196, 109928), (208, 103586), (224, 96187), (302, 71344), (343, 62816), (364, 59192), (392, 54964), (416, 51793), (604, 35672), (637, 33824), (686, 31408), (728, 29596), (784, 27482), (1057, 20384), (1208, 17836), (1274, 16912), (1372, 15704), (1456, 14798), (1568, 13741), (1963, 10976), (2114, 10192), (2416, 8918), (2548, 8456), (2744, 7852), (2912, 7399), (3926, 5488), (4228, 5096), (4459, 4832)]