21483104

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 72

約数和(自身を含む): 47346768

約数和(自身を除く): 25863664

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 101, 136, 184, 202, 272, 289, 368, 391, 404, 544, 578, 736, 782, 808, 1156, 1564, 1616, 1717, 2312, 2323, 3128, 3232, 3434, 4624, 4646, 6256, 6647, 6868, 9248, 9292, 12512, 13294, 13736, 18584, 26588, 27472, 29189, 37168, 39491, 53176, 54944, 58378, 74336, 78982, 106352, 116756, 157964, 212704, 233512, 315928, 467024, 631856, 671347, 934048, 1263712, 1342694, 2685388, 5370776, 10741552, 21483104]

約数ペア:

[(1, 21483104), (2, 10741552), (4, 5370776), (8, 2685388), (16, 1342694), (17, 1263712), (23, 934048), (32, 671347), (34, 631856), (46, 467024), (68, 315928), (92, 233512), (101, 212704), (136, 157964), (184, 116756), (202, 106352), (272, 78982), (289, 74336), (368, 58378), (391, 54944), (404, 53176), (544, 39491), (578, 37168), (736, 29189), (782, 27472), (808, 26588), (1156, 18584), (1564, 13736), (1616, 13294), (1717, 12512), (2312, 9292), (2323, 9248), (3128, 6868), (3232, 6647), (3434, 6256), (4624, 4646)]