21114784

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 43825320

約数和(自身を除く): 22710536

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 61, 116, 122, 232, 244, 373, 464, 488, 746, 928, 976, 1492, 1769, 1952, 2984, 3538, 5968, 7076, 10817, 11936, 14152, 21634, 22753, 28304, 43268, 45506, 56608, 86536, 91012, 173072, 182024, 346144, 364048, 659837, 728096, 1319674, 2639348, 5278696, 10557392, 21114784]

約数ペア:

[(1, 21114784), (2, 10557392), (4, 5278696), (8, 2639348), (16, 1319674), (29, 728096), (32, 659837), (58, 364048), (61, 346144), (116, 182024), (122, 173072), (232, 91012), (244, 86536), (373, 56608), (464, 45506), (488, 43268), (746, 28304), (928, 22753), (976, 21634), (1492, 14152), (1769, 11936), (1952, 10817), (2984, 7076), (3538, 5968)]