21995190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{34913}}^1$

素因数の和:34933

約数の個数: 48

約数和(自身を含む): 65359008

約数和(自身を除く): 43363818

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 34913, 69826, 104739, 174565, 209478, 244391, 314217, 349130, 488782, 523695, 628434, 733173, 1047390, 1221955, 1466346, 1571085, 2199519, 2443910, 3142170, 3665865, 4399038, 7331730, 10997595, 21995190]

約数ペア:

[(1, 21995190), (2, 10997595), (3, 7331730), (5, 4399038), (6, 3665865), (7, 3142170), (9, 2443910), (10, 2199519), (14, 1571085), (15, 1466346), (18, 1221955), (21, 1047390), (30, 733173), (35, 628434), (42, 523695), (45, 488782), (63, 349130), (70, 314217), (90, 244391), (105, 209478), (126, 174565), (210, 104739), (315, 69826), (630, 34913)]