21969472

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 112

約数和(自身を含む): 54864000

約数和(自身を除く): 32894528

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 64, 76, 89, 112, 116, 133, 152, 178, 203, 224, 232, 266, 304, 356, 406, 448, 464, 532, 551, 608, 623, 712, 812, 928, 1064, 1102, 1216, 1246, 1424, 1624, 1691, 1856, 2128, 2204, 2492, 2581, 2848, 3248, 3382, 3857, 4256, 4408, 4984, 5162, 5696, 6496, 6764, 7714, 8512, 8816, 9968, 10324, 11837, 12992, 13528, 15428, 17632, 18067, 19936, 20648, 23674, 27056, 30856, 35264, 36134, 39872, 41296, 47348, 49039, 54112, 61712, 72268, 82592, 94696, 98078, 108224, 123424, 144536, 165184, 189392, 196156, 246848, 289072, 343273, 378784, 392312, 578144, 686546, 757568, 784624, 1156288, 1373092, 1569248, 2746184, 3138496, 5492368, 10984736, 21969472]

約数ペア:

[(1, 21969472), (2, 10984736), (4, 5492368), (7, 3138496), (8, 2746184), (14, 1569248), (16, 1373092), (19, 1156288), (28, 784624), (29, 757568), (32, 686546), (38, 578144), (56, 392312), (58, 378784), (64, 343273), (76, 289072), (89, 246848), (112, 196156), (116, 189392), (133, 165184), (152, 144536), (178, 123424), (203, 108224), (224, 98078), (232, 94696), (266, 82592), (304, 72268), (356, 61712), (406, 54112), (448, 49039), (464, 47348), (532, 41296), (551, 39872), (608, 36134), (623, 35264), (712, 30856), (812, 27056), (928, 23674), (1064, 20648), (1102, 19936), (1216, 18067), (1246, 17632), (1424, 15428), (1624, 13528), (1691, 12992), (1856, 11837), (2128, 10324), (2204, 9968), (2492, 8816), (2581, 8512), (2848, 7714), (3248, 6764), (3382, 6496), (3857, 5696), (4256, 5162), (4408, 4984)]