21954944

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 27396736

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 503, 682, 704, 992, 1006, 1364, 1408, 1984, 2012, 2728, 3968, 4024, 5456, 5533, 8048, 10912, 11066, 15593, 16096, 21824, 22132, 31186, 32192, 43648, 44264, 62372, 64384, 88528, 124744, 171523, 177056, 249488, 343046, 354112, 498976, 686092, 708224, 997952, 1372184, 1995904, 2744368, 5488736, 10977472, 21954944]

約数ペア:

[(1, 21954944), (2, 10977472), (4, 5488736), (8, 2744368), (11, 1995904), (16, 1372184), (22, 997952), (31, 708224), (32, 686092), (44, 498976), (62, 354112), (64, 343046), (88, 249488), (124, 177056), (128, 171523), (176, 124744), (248, 88528), (341, 64384), (352, 62372), (496, 44264), (503, 43648), (682, 32192), (704, 31186), (992, 22132), (1006, 21824), (1364, 16096), (1408, 15593), (1984, 11066), (2012, 10912), (2728, 8048), (3968, 5533), (4024, 5456)]