21070944

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3220

約数の個数: 72

約数和(自身を含む): 62545392

約数和(自身を除く): 41474448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 69, 72, 92, 96, 138, 144, 184, 207, 276, 288, 368, 414, 552, 736, 828, 1104, 1656, 2208, 3181, 3312, 6362, 6624, 9543, 12724, 19086, 25448, 28629, 38172, 50896, 57258, 73163, 76344, 101792, 114516, 146326, 152688, 219489, 229032, 292652, 305376, 438978, 458064, 585304, 658467, 877956, 916128, 1170608, 1316934, 1755912, 2341216, 2633868, 3511824, 5267736, 7023648, 10535472, 21070944]

約数ペア:

[(1, 21070944), (2, 10535472), (3, 7023648), (4, 5267736), (6, 3511824), (8, 2633868), (9, 2341216), (12, 1755912), (16, 1316934), (18, 1170608), (23, 916128), (24, 877956), (32, 658467), (36, 585304), (46, 458064), (48, 438978), (69, 305376), (72, 292652), (92, 229032), (96, 219489), (138, 152688), (144, 146326), (184, 114516), (207, 101792), (276, 76344), (288, 73163), (368, 57258), (414, 50896), (552, 38172), (736, 28629), (828, 25448), (1104, 19086), (1656, 12724), (2208, 9543), (3181, 6624), (3312, 6362)]