21508701228

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28450663}}^1$

素因数の和:28450683

約数の個数: 48

約数和(自身を含む): 63729487360

約数和(自身を除く): 42220786132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28450663, 56901326, 85351989, 113802652, 170703978, 199154641, 256055967, 341407956, 398309282, 512111934, 597463923, 768167901, 796618564, 1024223868, 1194927846, 1536335802, 1792391769, 2389855692, 3072671604, 3584783538, 5377175307, 7169567076, 10754350614, 21508701228]

約数ペア:

[(1, 21508701228), (2, 10754350614), (3, 7169567076), (4, 5377175307), (6, 3584783538), (7, 3072671604), (9, 2389855692), (12, 1792391769), (14, 1536335802), (18, 1194927846), (21, 1024223868), (27, 796618564), (28, 768167901), (36, 597463923), (42, 512111934), (54, 398309282), (63, 341407956), (84, 256055967), (108, 199154641), (126, 170703978), (189, 113802652), (252, 85351989), (378, 56901326), (756, 28450663)]