21836256464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6529981}}^1$

素因数の和:6530019

約数の個数: 40

約数和(自身を含む): 48583066080

約数和(自身を除く): 26746809616

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6529981, 13059962, 26119924, 52239848, 71829791, 104479696, 124069639, 143659582, 248139278, 287319164, 496278556, 574638328, 992557112, 1149276656, 1364766029, 1985114224, 2729532058, 5459064116, 10918128232, 21836256464]

約数ペア:

[(1, 21836256464), (2, 10918128232), (4, 5459064116), (8, 2729532058), (11, 1985114224), (16, 1364766029), (19, 1149276656), (22, 992557112), (38, 574638328), (44, 496278556), (76, 287319164), (88, 248139278), (152, 143659582), (176, 124069639), (209, 104479696), (304, 71829791), (418, 52239848), (836, 26119924), (1672, 13059962), (3344, 6529981)]