21796502

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 64

約数和(自身を含む): 43352064

約数和(自身を除く): 21555562

約数列:

[1, 2, 7, 13, 14, 23, 26, 41, 46, 82, 91, 127, 161, 182, 254, 287, 299, 322, 533, 574, 598, 889, 943, 1066, 1651, 1778, 1886, 2093, 2921, 3302, 3731, 4186, 5207, 5842, 6601, 7462, 10414, 11557, 12259, 13202, 20447, 23114, 24518, 36449, 37973, 40894, 67691, 72898, 75946, 85813, 119761, 135382, 171626, 239522, 265811, 473837, 531622, 838327, 947674, 1556893, 1676654, 3113786, 10898251, 21796502]

約数ペア:

[(1, 21796502), (2, 10898251), (7, 3113786), (13, 1676654), (14, 1556893), (23, 947674), (26, 838327), (41, 531622), (46, 473837), (82, 265811), (91, 239522), (127, 171626), (161, 135382), (182, 119761), (254, 85813), (287, 75946), (299, 72898), (322, 67691), (533, 40894), (574, 37973), (598, 36449), (889, 24518), (943, 23114), (1066, 20447), (1651, 13202), (1778, 12259), (1886, 11557), (2093, 10414), (2921, 7462), (3302, 6601), (3731, 5842), (4186, 5207)]