21948190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 46484928

約数和(自身を除く): 24536738

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 97, 110, 121, 170, 187, 194, 242, 374, 485, 605, 935, 970, 1067, 1210, 1331, 1649, 1870, 2057, 2134, 2662, 3298, 4114, 5335, 6655, 8245, 10285, 10670, 11737, 13310, 16490, 18139, 20570, 22627, 23474, 36278, 45254, 58685, 90695, 113135, 117370, 129107, 181390, 199529, 226270, 258214, 399058, 645535, 997645, 1291070, 1995290, 2194819, 4389638, 10974095, 21948190]

約数ペア:

[(1, 21948190), (2, 10974095), (5, 4389638), (10, 2194819), (11, 1995290), (17, 1291070), (22, 997645), (34, 645535), (55, 399058), (85, 258214), (97, 226270), (110, 199529), (121, 181390), (170, 129107), (187, 117370), (194, 113135), (242, 90695), (374, 58685), (485, 45254), (605, 36278), (935, 23474), (970, 22627), (1067, 20570), (1210, 18139), (1331, 16490), (1649, 13310), (1870, 11737), (2057, 10670), (2134, 10285), (2662, 8245), (3298, 6655), (4114, 5335)]