21852116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 47548032

約数和(自身を除く): 25695916

約数列:

[1, 2, 4, 11, 13, 22, 23, 26, 44, 46, 52, 92, 121, 143, 151, 242, 253, 286, 299, 302, 484, 506, 572, 598, 604, 1012, 1196, 1573, 1661, 1963, 2783, 3146, 3289, 3322, 3473, 3926, 5566, 6292, 6578, 6644, 6946, 7852, 11132, 13156, 13892, 18271, 21593, 36179, 36542, 38203, 43186, 45149, 72358, 73084, 76406, 86372, 90298, 144716, 152812, 180596, 237523, 420233, 475046, 496639, 840466, 950092, 993278, 1680932, 1986556, 5463029, 10926058, 21852116]

約数ペア:

[(1, 21852116), (2, 10926058), (4, 5463029), (11, 1986556), (13, 1680932), (22, 993278), (23, 950092), (26, 840466), (44, 496639), (46, 475046), (52, 420233), (92, 237523), (121, 180596), (143, 152812), (151, 144716), (242, 90298), (253, 86372), (286, 76406), (299, 73084), (302, 72358), (484, 45149), (506, 43186), (572, 38203), (598, 36542), (604, 36179), (1012, 21593), (1196, 18271), (1573, 13892), (1661, 13156), (1963, 11132), (2783, 7852), (3146, 6946), (3289, 6644), (3322, 6578), (3473, 6292), (3926, 5566)]