21253476

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 54495840

約数和(自身を除く): 33242364

約数列:

[1, 2, 3, 4, 6, 12, 19, 31, 38, 57, 62, 76, 93, 97, 114, 124, 186, 194, 228, 291, 372, 388, 582, 589, 961, 1164, 1178, 1767, 1843, 1922, 2356, 2883, 3007, 3534, 3686, 3844, 5529, 5766, 6014, 7068, 7372, 9021, 11058, 11532, 12028, 18042, 18259, 22116, 36084, 36518, 54777, 57133, 73036, 93217, 109554, 114266, 171399, 186434, 219108, 228532, 279651, 342798, 372868, 559302, 685596, 1118604, 1771123, 3542246, 5313369, 7084492, 10626738, 21253476]

約数ペア:

[(1, 21253476), (2, 10626738), (3, 7084492), (4, 5313369), (6, 3542246), (12, 1771123), (19, 1118604), (31, 685596), (38, 559302), (57, 372868), (62, 342798), (76, 279651), (93, 228532), (97, 219108), (114, 186434), (124, 171399), (186, 114266), (194, 109554), (228, 93217), (291, 73036), (372, 57133), (388, 54777), (582, 36518), (589, 36084), (961, 22116), (1164, 18259), (1178, 18042), (1767, 12028), (1843, 11532), (1922, 11058), (2356, 9021), (2883, 7372), (3007, 7068), (3534, 6014), (3686, 5766), (3844, 5529)]