21583936

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 112

約数和(自身を含む): 51499008

約数和(自身を除く): 29915072

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 31, 32, 43, 44, 46, 62, 64, 86, 88, 92, 124, 172, 176, 184, 248, 253, 341, 344, 352, 368, 473, 496, 506, 682, 688, 704, 713, 736, 946, 989, 992, 1012, 1333, 1364, 1376, 1426, 1472, 1892, 1978, 1984, 2024, 2666, 2728, 2752, 2852, 3784, 3956, 4048, 5332, 5456, 5704, 7568, 7843, 7912, 8096, 10664, 10879, 10912, 11408, 14663, 15136, 15686, 15824, 16192, 21328, 21758, 21824, 22816, 29326, 30272, 30659, 31372, 31648, 42656, 43516, 45632, 58652, 61318, 62744, 63296, 85312, 87032, 117304, 122636, 125488, 174064, 234608, 245272, 250976, 337249, 348128, 469216, 490544, 501952, 674498, 696256, 938432, 981088, 1348996, 1962176, 2697992, 5395984, 10791968, 21583936]

約数ペア:

[(1, 21583936), (2, 10791968), (4, 5395984), (8, 2697992), (11, 1962176), (16, 1348996), (22, 981088), (23, 938432), (31, 696256), (32, 674498), (43, 501952), (44, 490544), (46, 469216), (62, 348128), (64, 337249), (86, 250976), (88, 245272), (92, 234608), (124, 174064), (172, 125488), (176, 122636), (184, 117304), (248, 87032), (253, 85312), (341, 63296), (344, 62744), (352, 61318), (368, 58652), (473, 45632), (496, 43516), (506, 42656), (682, 31648), (688, 31372), (704, 30659), (713, 30272), (736, 29326), (946, 22816), (989, 21824), (992, 21758), (1012, 21328), (1333, 16192), (1364, 15824), (1376, 15686), (1426, 15136), (1472, 14663), (1892, 11408), (1978, 10912), (1984, 10879), (2024, 10664), (2666, 8096), (2728, 7912), (2752, 7843), (2852, 7568), (3784, 5704), (3956, 5456), (4048, 5332)]