21250871838

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{454603}}^1$

素因数の和:454678

約数の個数: 72

約数和(自身を含む): 54571573368

約数和(自身を除く): 33320701530

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 53, 63, 98, 106, 126, 147, 159, 294, 318, 371, 441, 477, 742, 882, 954, 1113, 2226, 2597, 3339, 5194, 6678, 7791, 15582, 23373, 46746, 454603, 909206, 1363809, 2727618, 3182221, 4091427, 6364442, 8182854, 9546663, 19093326, 22275547, 24093959, 28639989, 44551094, 48187918, 57279978, 66826641, 72281877, 133653282, 144563754, 168657713, 200479923, 216845631, 337315426, 400959846, 433691262, 505973139, 1011946278, 1180603991, 1517919417, 2361207982, 3035838834, 3541811973, 7083623946, 10625435919, 21250871838]

約数ペア:

[(1, 21250871838), (2, 10625435919), (3, 7083623946), (6, 3541811973), (7, 3035838834), (9, 2361207982), (14, 1517919417), (18, 1180603991), (21, 1011946278), (42, 505973139), (49, 433691262), (53, 400959846), (63, 337315426), (98, 216845631), (106, 200479923), (126, 168657713), (147, 144563754), (159, 133653282), (294, 72281877), (318, 66826641), (371, 57279978), (441, 48187918), (477, 44551094), (742, 28639989), (882, 24093959), (954, 22275547), (1113, 19093326), (2226, 9546663), (2597, 8182854), (3339, 6364442), (5194, 4091427), (6678, 3182221), (7791, 2727618), (15582, 1363809), (23373, 909206), (46746, 454603)]