21824224

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:275

約数の個数: 48

約数和(自身を含む): 44452800

約数和(自身を除く): 22628576

約数列:

[1, 2, 4, 8, 16, 32, 79, 89, 97, 158, 178, 194, 316, 356, 388, 632, 712, 776, 1264, 1424, 1552, 2528, 2848, 3104, 7031, 7663, 8633, 14062, 15326, 17266, 28124, 30652, 34532, 56248, 61304, 69064, 112496, 122608, 138128, 224992, 245216, 276256, 682007, 1364014, 2728028, 5456056, 10912112, 21824224]

約数ペア:

[(1, 21824224), (2, 10912112), (4, 5456056), (8, 2728028), (16, 1364014), (32, 682007), (79, 276256), (89, 245216), (97, 224992), (158, 138128), (178, 122608), (194, 112496), (316, 69064), (356, 61304), (388, 56248), (632, 34532), (712, 30652), (776, 28124), (1264, 17266), (1424, 15326), (1552, 14062), (2528, 8633), (2848, 7663), (3104, 7031)]