21494200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1$

素因数の和:1217

約数の個数: 96

約数和(自身を含む): 61558560

約数和(自身を除く): 40064360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1181, 1300, 1400, 1820, 2275, 2362, 2600, 3640, 4550, 4724, 5905, 8267, 9100, 9448, 11810, 15353, 16534, 18200, 23620, 29525, 30706, 33068, 41335, 47240, 59050, 61412, 66136, 76765, 82670, 107471, 118100, 122824, 153530, 165340, 206675, 214942, 236200, 307060, 330680, 383825, 413350, 429884, 537355, 614120, 767650, 826700, 859768, 1074710, 1535300, 1653400, 2149420, 2686775, 3070600, 4298840, 5373550, 10747100, 21494200]

約数ペア:

[(1, 21494200), (2, 10747100), (4, 5373550), (5, 4298840), (7, 3070600), (8, 2686775), (10, 2149420), (13, 1653400), (14, 1535300), (20, 1074710), (25, 859768), (26, 826700), (28, 767650), (35, 614120), (40, 537355), (50, 429884), (52, 413350), (56, 383825), (65, 330680), (70, 307060), (91, 236200), (100, 214942), (104, 206675), (130, 165340), (140, 153530), (175, 122824), (182, 118100), (200, 107471), (260, 82670), (280, 76765), (325, 66136), (350, 61412), (364, 59050), (455, 47240), (520, 41335), (650, 33068), (700, 30706), (728, 29525), (910, 23620), (1181, 18200), (1300, 16534), (1400, 15353), (1820, 11810), (2275, 9448), (2362, 9100), (2600, 8267), (3640, 5905), (4550, 4724)]