21984872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 53758080

約数和(自身を除く): 31773208

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 101, 104, 161, 169, 182, 184, 202, 299, 322, 338, 364, 404, 598, 644, 676, 707, 728, 808, 1183, 1196, 1288, 1313, 1352, 1414, 2093, 2323, 2366, 2392, 2626, 2828, 3887, 4186, 4646, 4732, 5252, 5656, 7774, 8372, 9191, 9292, 9464, 10504, 15548, 16261, 16744, 17069, 18382, 18584, 27209, 30199, 31096, 32522, 34138, 36764, 54418, 60398, 65044, 68276, 73528, 108836, 119483, 120796, 130088, 136552, 211393, 217672, 238966, 241592, 392587, 422786, 477932, 785174, 845572, 955864, 1570348, 1691144, 2748109, 3140696, 5496218, 10992436, 21984872]

約数ペア:

[(1, 21984872), (2, 10992436), (4, 5496218), (7, 3140696), (8, 2748109), (13, 1691144), (14, 1570348), (23, 955864), (26, 845572), (28, 785174), (46, 477932), (52, 422786), (56, 392587), (91, 241592), (92, 238966), (101, 217672), (104, 211393), (161, 136552), (169, 130088), (182, 120796), (184, 119483), (202, 108836), (299, 73528), (322, 68276), (338, 65044), (364, 60398), (404, 54418), (598, 36764), (644, 34138), (676, 32522), (707, 31096), (728, 30199), (808, 27209), (1183, 18584), (1196, 18382), (1288, 17069), (1313, 16744), (1352, 16261), (1414, 15548), (2093, 10504), (2323, 9464), (2366, 9292), (2392, 9191), (2626, 8372), (2828, 7774), (3887, 5656), (4186, 5252), (4646, 4732)]