21979656

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{16067}}^1$

素因数の和:16098

約数の個数: 48

約数和(自身を含む): 62665200

約数和(自身を除く): 40685544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 16067, 32134, 48201, 64268, 96402, 128536, 144603, 192804, 289206, 305273, 385608, 578412, 610546, 915819, 1156824, 1221092, 1831638, 2442184, 2747457, 3663276, 5494914, 7326552, 10989828, 21979656]

約数ペア:

[(1, 21979656), (2, 10989828), (3, 7326552), (4, 5494914), (6, 3663276), (8, 2747457), (9, 2442184), (12, 1831638), (18, 1221092), (19, 1156824), (24, 915819), (36, 610546), (38, 578412), (57, 385608), (72, 305273), (76, 289206), (114, 192804), (152, 144603), (171, 128536), (228, 96402), (342, 64268), (456, 48201), (684, 32134), (1368, 16067)]