21963249

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{773}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 40569984

約数和(自身を除く): 18606735

約数列:

[1, 3, 7, 9, 11, 21, 33, 41, 63, 77, 99, 123, 231, 287, 369, 451, 693, 773, 861, 1353, 2319, 2583, 3157, 4059, 5411, 6957, 8503, 9471, 16233, 25509, 28413, 31693, 48699, 59521, 76527, 95079, 178563, 221851, 285237, 348623, 535689, 665553, 1045869, 1996659, 2440361, 3137607, 7321083, 21963249]

約数ペア:

[(1, 21963249), (3, 7321083), (7, 3137607), (9, 2440361), (11, 1996659), (21, 1045869), (33, 665553), (41, 535689), (63, 348623), (77, 285237), (99, 221851), (123, 178563), (231, 95079), (287, 76527), (369, 59521), (451, 48699), (693, 31693), (773, 28413), (861, 25509), (1353, 16233), (2319, 9471), (2583, 8503), (3157, 6957), (4059, 5411)]