21449024

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 56

約数和(自身を含む): 46329600

約数和(自身を除く): 24880576

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 569, 589, 608, 992, 1138, 1178, 1216, 1984, 2276, 2356, 4552, 4712, 9104, 9424, 10811, 17639, 18208, 18848, 21622, 35278, 36416, 37696, 43244, 70556, 86488, 141112, 172976, 282224, 335141, 345952, 564448, 670282, 691904, 1128896, 1340564, 2681128, 5362256, 10724512, 21449024]

約数ペア:

[(1, 21449024), (2, 10724512), (4, 5362256), (8, 2681128), (16, 1340564), (19, 1128896), (31, 691904), (32, 670282), (38, 564448), (62, 345952), (64, 335141), (76, 282224), (124, 172976), (152, 141112), (248, 86488), (304, 70556), (496, 43244), (569, 37696), (589, 36416), (608, 35278), (992, 21622), (1138, 18848), (1178, 18208), (1216, 17639), (1984, 10811), (2276, 9424), (2356, 9104), (4552, 4712)]