21560844

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 52899840

約数和(自身を除く): 31338996

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 191, 276, 382, 409, 573, 764, 818, 1146, 1227, 1636, 2292, 2454, 4393, 4908, 8786, 9407, 13179, 17572, 18814, 26358, 28221, 37628, 52716, 56442, 78119, 112884, 156238, 234357, 312476, 468714, 937428, 1796737, 3593474, 5390211, 7186948, 10780422, 21560844]

約数ペア:

[(1, 21560844), (2, 10780422), (3, 7186948), (4, 5390211), (6, 3593474), (12, 1796737), (23, 937428), (46, 468714), (69, 312476), (92, 234357), (138, 156238), (191, 112884), (276, 78119), (382, 56442), (409, 52716), (573, 37628), (764, 28221), (818, 26358), (1146, 18814), (1227, 17572), (1636, 13179), (2292, 9407), (2454, 8786), (4393, 4908)]