21472832

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 44866560

約数和(自身を除く): 23393728

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 137, 158, 248, 274, 316, 496, 548, 632, 992, 1096, 1264, 1984, 2192, 2449, 2528, 4247, 4384, 4898, 5056, 8494, 8768, 9796, 10823, 16988, 19592, 21646, 33976, 39184, 43292, 67952, 78368, 86584, 135904, 156736, 173168, 271808, 335513, 346336, 671026, 692672, 1342052, 2684104, 5368208, 10736416, 21472832]

約数ペア:

[(1, 21472832), (2, 10736416), (4, 5368208), (8, 2684104), (16, 1342052), (31, 692672), (32, 671026), (62, 346336), (64, 335513), (79, 271808), (124, 173168), (137, 156736), (158, 135904), (248, 86584), (274, 78368), (316, 67952), (496, 43292), (548, 39184), (632, 33976), (992, 21646), (1096, 19592), (1264, 16988), (1984, 10823), (2192, 9796), (2449, 8768), (2528, 8494), (4247, 5056), (4384, 4898)]