21858496

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:593

約数の個数: 56

約数和(自身を含む): 48188880

約数和(自身を除く): 26330384

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 61, 64, 88, 122, 176, 244, 352, 488, 509, 671, 704, 976, 1018, 1342, 1952, 2036, 2684, 3904, 4072, 5368, 5599, 8144, 10736, 11198, 16288, 21472, 22396, 31049, 32576, 42944, 44792, 62098, 89584, 124196, 179168, 248392, 341539, 358336, 496784, 683078, 993568, 1366156, 1987136, 2732312, 5464624, 10929248, 21858496]

約数ペア:

[(1, 21858496), (2, 10929248), (4, 5464624), (8, 2732312), (11, 1987136), (16, 1366156), (22, 993568), (32, 683078), (44, 496784), (61, 358336), (64, 341539), (88, 248392), (122, 179168), (176, 124196), (244, 89584), (352, 62098), (488, 44792), (509, 42944), (671, 32576), (704, 31049), (976, 22396), (1018, 21472), (1342, 16288), (1952, 11198), (2036, 10736), (2684, 8144), (3904, 5599), (4072, 5368)]