21842848

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 23202656

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 97, 124, 194, 227, 248, 388, 454, 496, 776, 908, 992, 1552, 1816, 3007, 3104, 3632, 6014, 7037, 7264, 12028, 14074, 22019, 24056, 28148, 44038, 48112, 56296, 88076, 96224, 112592, 176152, 225184, 352304, 682589, 704608, 1365178, 2730356, 5460712, 10921424, 21842848]

約数ペア:

[(1, 21842848), (2, 10921424), (4, 5460712), (8, 2730356), (16, 1365178), (31, 704608), (32, 682589), (62, 352304), (97, 225184), (124, 176152), (194, 112592), (227, 96224), (248, 88076), (388, 56296), (454, 48112), (496, 44038), (776, 28148), (908, 24056), (992, 22019), (1552, 14074), (1816, 12028), (3007, 7264), (3104, 7037), (3632, 6014)]