21382156220

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{192251}}^1$

素因数の和:192410

約数の個数: 48

約数和(自身を含む): 46122023808

約数和(自身を除く): 24739867588

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 830, 1340, 1660, 5561, 11122, 22244, 27805, 55610, 111220, 192251, 384502, 769004, 961255, 1922510, 3845020, 12880817, 15956833, 25761634, 31913666, 51523268, 63827332, 64404085, 79784165, 128808170, 159568330, 257616340, 319136660, 1069107811, 2138215622, 4276431244, 5345539055, 10691078110, 21382156220]

約数ペア:

[(1, 21382156220), (2, 10691078110), (4, 5345539055), (5, 4276431244), (10, 2138215622), (20, 1069107811), (67, 319136660), (83, 257616340), (134, 159568330), (166, 128808170), (268, 79784165), (332, 64404085), (335, 63827332), (415, 51523268), (670, 31913666), (830, 25761634), (1340, 15956833), (1660, 12880817), (5561, 3845020), (11122, 1922510), (22244, 961255), (27805, 769004), (55610, 384502), (111220, 192251)]