21063294

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{541}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 54113280

約数和(自身を除く): 33049986

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 103, 126, 189, 206, 309, 378, 541, 618, 721, 927, 1082, 1442, 1623, 1854, 2163, 2781, 3246, 3787, 4326, 4869, 5562, 6489, 7574, 9738, 11361, 12978, 14607, 19467, 22722, 29214, 34083, 38934, 55723, 68166, 102249, 111446, 167169, 204498, 334338, 390061, 501507, 780122, 1003014, 1170183, 1504521, 2340366, 3009042, 3510549, 7021098, 10531647, 21063294]

約数ペア:

[(1, 21063294), (2, 10531647), (3, 7021098), (6, 3510549), (7, 3009042), (9, 2340366), (14, 1504521), (18, 1170183), (21, 1003014), (27, 780122), (42, 501507), (54, 390061), (63, 334338), (103, 204498), (126, 167169), (189, 111446), (206, 102249), (309, 68166), (378, 55723), (541, 38934), (618, 34083), (721, 29214), (927, 22722), (1082, 19467), (1442, 14607), (1623, 12978), (1854, 11361), (2163, 9738), (2781, 7574), (3246, 6489), (3787, 5562), (4326, 4869)]