21932631

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 38787840

約数和(自身を除く): 16855209

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 251, 399, 511, 657, 753, 1197, 1387, 1533, 1757, 2259, 4161, 4599, 4769, 5271, 9709, 12483, 14307, 15813, 18323, 29127, 33383, 42921, 54969, 87381, 100149, 128261, 164907, 300447, 348137, 384783, 1044411, 1154349, 2436959, 3133233, 7310877, 21932631]

約数ペア:

[(1, 21932631), (3, 7310877), (7, 3133233), (9, 2436959), (19, 1154349), (21, 1044411), (57, 384783), (63, 348137), (73, 300447), (133, 164907), (171, 128261), (219, 100149), (251, 87381), (399, 54969), (511, 42921), (657, 33383), (753, 29127), (1197, 18323), (1387, 15813), (1533, 14307), (1757, 12483), (2259, 9709), (4161, 5271), (4599, 4769)]