21189408

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{11617}}^1$

素因数の和:11649

約数の個数: 48

約数和(自身を含む): 58554720

約数和(自身を除く): 37365312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 456, 608, 912, 1824, 11617, 23234, 34851, 46468, 69702, 92936, 139404, 185872, 220723, 278808, 371744, 441446, 557616, 662169, 882892, 1115232, 1324338, 1765784, 2648676, 3531568, 5297352, 7063136, 10594704, 21189408]

約数ペア:

[(1, 21189408), (2, 10594704), (3, 7063136), (4, 5297352), (6, 3531568), (8, 2648676), (12, 1765784), (16, 1324338), (19, 1115232), (24, 882892), (32, 662169), (38, 557616), (48, 441446), (57, 371744), (76, 278808), (96, 220723), (114, 185872), (152, 139404), (228, 92936), (304, 69702), (456, 46468), (608, 34851), (912, 23234), (1824, 11617)]