21768984

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15913}}^1$

素因数の和:15944

約数の個数: 48

約数和(自身を含む): 62064600

約数和(自身を除く): 40295616

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15913, 31826, 47739, 63652, 95478, 127304, 143217, 190956, 286434, 302347, 381912, 572868, 604694, 907041, 1145736, 1209388, 1814082, 2418776, 2721123, 3628164, 5442246, 7256328, 10884492, 21768984]

約数ペア:

[(1, 21768984), (2, 10884492), (3, 7256328), (4, 5442246), (6, 3628164), (8, 2721123), (9, 2418776), (12, 1814082), (18, 1209388), (19, 1145736), (24, 907041), (36, 604694), (38, 572868), (57, 381912), (72, 302347), (76, 286434), (114, 190956), (152, 143217), (171, 127304), (228, 95478), (342, 63652), (456, 47739), (684, 31826), (1368, 15913)]