21630112

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1661

約数の個数: 48

約数和(自身を含む): 49496832

約数和(自身を除く): 27866720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1583, 1708, 1952, 3166, 3416, 6332, 6832, 11081, 12664, 13664, 22162, 25328, 44324, 50656, 88648, 96563, 177296, 193126, 354592, 386252, 675941, 772504, 1351882, 1545008, 2703764, 3090016, 5407528, 10815056, 21630112]

約数ペア:

[(1, 21630112), (2, 10815056), (4, 5407528), (7, 3090016), (8, 2703764), (14, 1545008), (16, 1351882), (28, 772504), (32, 675941), (56, 386252), (61, 354592), (112, 193126), (122, 177296), (224, 96563), (244, 88648), (427, 50656), (488, 44324), (854, 25328), (976, 22162), (1583, 13664), (1708, 12664), (1952, 11081), (3166, 6832), (3416, 6332)]