21177492

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4133}}^1$

素因数の和:4208

約数の個数: 48

約数和(自身を含む): 57412992

約数和(自身を除く): 36235500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 4133, 5124, 8266, 12399, 16532, 24798, 28931, 49596, 57862, 86793, 115724, 173586, 252113, 347172, 504226, 756339, 1008452, 1512678, 1764791, 3025356, 3529582, 5294373, 7059164, 10588746, 21177492]

約数ペア:

[(1, 21177492), (2, 10588746), (3, 7059164), (4, 5294373), (6, 3529582), (7, 3025356), (12, 1764791), (14, 1512678), (21, 1008452), (28, 756339), (42, 504226), (61, 347172), (84, 252113), (122, 173586), (183, 115724), (244, 86793), (366, 57862), (427, 49596), (732, 28931), (854, 24798), (1281, 16532), (1708, 12399), (2562, 8266), (4133, 5124)]