21953204

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1$

素因数の和:1536

約数の個数: 48

約数和(自身を含む): 48470016

約数和(自身を除く): 26516812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1471, 2132, 2942, 3731, 5884, 7462, 10297, 14924, 19123, 20594, 38246, 41188, 60311, 76492, 120622, 133861, 241244, 267722, 422177, 535444, 784043, 844354, 1568086, 1688708, 3136172, 5488301, 10976602, 21953204]

約数ペア:

[(1, 21953204), (2, 10976602), (4, 5488301), (7, 3136172), (13, 1688708), (14, 1568086), (26, 844354), (28, 784043), (41, 535444), (52, 422177), (82, 267722), (91, 241244), (164, 133861), (182, 120622), (287, 76492), (364, 60311), (533, 41188), (574, 38246), (1066, 20594), (1148, 19123), (1471, 14924), (2132, 10297), (2942, 7462), (3731, 5884)]