21080494032

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{134593}}^1$

素因数の和:134868

約数の個数: 80

約数和(自身を含む): 58881106368

約数和(自身を除く): 37800612336

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 251, 312, 502, 624, 753, 1004, 1506, 2008, 3012, 3263, 4016, 6024, 6526, 9789, 12048, 13052, 19578, 26104, 39156, 52208, 78312, 134593, 156624, 269186, 403779, 538372, 807558, 1076744, 1615116, 1749709, 2153488, 3230232, 3499418, 5249127, 6460464, 6998836, 10498254, 13997672, 20996508, 27995344, 33782843, 41993016, 67565686, 83986032, 101348529, 135131372, 202697058, 270262744, 405394116, 439176959, 540525488, 810788232, 878353918, 1317530877, 1621576464, 1756707836, 2635061754, 3513415672, 5270123508, 7026831344, 10540247016, 21080494032]

約数ペア:

[(1, 21080494032), (2, 10540247016), (3, 7026831344), (4, 5270123508), (6, 3513415672), (8, 2635061754), (12, 1756707836), (13, 1621576464), (16, 1317530877), (24, 878353918), (26, 810788232), (39, 540525488), (48, 439176959), (52, 405394116), (78, 270262744), (104, 202697058), (156, 135131372), (208, 101348529), (251, 83986032), (312, 67565686), (502, 41993016), (624, 33782843), (753, 27995344), (1004, 20996508), (1506, 13997672), (2008, 10498254), (3012, 6998836), (3263, 6460464), (4016, 5249127), (6024, 3499418), (6526, 3230232), (9789, 2153488), (12048, 1749709), (13052, 1615116), (19578, 1076744), (26104, 807558), (39156, 538372), (52208, 403779), (78312, 269186), (134593, 156624)]