21743510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 44416512

約数和(自身を除く): 22673002

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 67, 83, 85, 115, 134, 166, 170, 230, 335, 391, 415, 670, 782, 830, 1139, 1411, 1541, 1909, 1955, 2278, 2822, 3082, 3818, 3910, 5561, 5695, 7055, 7705, 9545, 11122, 11390, 14110, 15410, 19090, 26197, 27805, 32453, 52394, 55610, 64906, 94537, 127903, 130985, 162265, 189074, 255806, 261970, 324530, 472685, 639515, 945370, 1279030, 2174351, 4348702, 10871755, 21743510]

約数ペア:

[(1, 21743510), (2, 10871755), (5, 4348702), (10, 2174351), (17, 1279030), (23, 945370), (34, 639515), (46, 472685), (67, 324530), (83, 261970), (85, 255806), (115, 189074), (134, 162265), (166, 130985), (170, 127903), (230, 94537), (335, 64906), (391, 55610), (415, 52394), (670, 32453), (782, 27805), (830, 26197), (1139, 19090), (1411, 15410), (1541, 14110), (1909, 11390), (1955, 11122), (2278, 9545), (2822, 7705), (3082, 7055), (3818, 5695), (3910, 5561)]