21224368

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:626

約数の個数: 60

約数和(自身を含む): 47661880

約数和(自身を除く): 26437512

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 121, 152, 176, 209, 242, 304, 418, 484, 577, 836, 968, 1154, 1672, 1936, 2299, 2308, 3344, 4598, 4616, 6347, 9196, 9232, 10963, 12694, 18392, 21926, 25388, 36784, 43852, 50776, 69817, 87704, 101552, 120593, 139634, 175408, 241186, 279268, 482372, 558536, 964744, 1117072, 1326523, 1929488, 2653046, 5306092, 10612184, 21224368]

約数ペア:

[(1, 21224368), (2, 10612184), (4, 5306092), (8, 2653046), (11, 1929488), (16, 1326523), (19, 1117072), (22, 964744), (38, 558536), (44, 482372), (76, 279268), (88, 241186), (121, 175408), (152, 139634), (176, 120593), (209, 101552), (242, 87704), (304, 69817), (418, 50776), (484, 43852), (577, 36784), (836, 25388), (968, 21926), (1154, 18392), (1672, 12694), (1936, 10963), (2299, 9232), (2308, 9196), (3344, 6347), (4598, 4616)]