21152803958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1212473}}^1$

素因数の和:1212560

約数の個数: 32

約数和(自身を含む): 37887387552

約数和(自身を除く): 16734583594

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1342, 1586, 8723, 17446, 1212473, 2424946, 13337203, 15762149, 26674406, 31524298, 73960853, 147921706, 173383639, 346767278, 813569383, 961491089, 1627138766, 1922982178, 10576401979, 21152803958]

約数ペア:

[(1, 21152803958), (2, 10576401979), (11, 1922982178), (13, 1627138766), (22, 961491089), (26, 813569383), (61, 346767278), (122, 173383639), (143, 147921706), (286, 73960853), (671, 31524298), (793, 26674406), (1342, 15762149), (1586, 13337203), (8723, 2424946), (17446, 1212473)]